How do I get to stop?

At the end the motors keep going, how do I get them to stop?

        #include <Servo.h> 
         
        Servo servoarm9;  // create servo object to control a servo 
        Servo servoswitch10; // create servo object to control a servo 
         
        int pos = 0;    // variable to store the servo position 
        // this constant won't change:
        const int  buttonPin = 8;    // the pin that the pushbutton is attached to
        const int pwmA = 3;
        const int pwmB = 11;
        const int brakeA = 7;
        const int brakeB = 4;
        const int dirA = 12;
        const int dirB = 13;       // the pin that the LED is attached to
        
        // Variables will change:
        int buttonPushCounter = 0;   // counter for the number of button presses
        int buttonState = 0;         // current state of the button
        int lastButtonState = 0;     // previous state of the button
        
        void setup() {
          // initialize the button pin as a input:
          pinMode(buttonPin, INPUT);
         
          pinMode(dirA, OUTPUT); //Initiates Motor Channel A pin
          pinMode(brakeA, OUTPUT); //Initiates Brake Channel A pin
          //Setup Channel B
          pinMode(dirB, OUTPUT); //Initiates Motor Channel B pin
          pinMode(brakeB, OUTPUT); //Initiates Brake Channel B pin);
        }
        
        
        void loop() {
          // read the pushbutton input pin:
          buttonState = digitalRead(buttonPin);
        
          // compare the buttonState to its previous state
          if (buttonState != lastButtonState) {
            // if the state has changed, increment the counter
            if (buttonState == HIGH) {
              // if the current state is HIGH then the button
              // wend from off to on:
              buttonPushCounter++;
              servoarm9.attach(9);  // attaches the servo on pin 9 to the servo object 
        for(pos = 0; pos < 180; pos += 1)  // goes from 0 degrees to 180 degrees 
          {                                  // in steps of 1 degree 
            servoarm9.write(pos);              // tell servo to go to position in variable 'pos' 
            delay(15);                       // waits 15ms for the servo to reach the position 
          } 
          for(pos = 180; pos>=1; pos-=1)     // goes from 180 degrees to 0 degrees 
          {                                
            servoarm9.write(pos);              // tell servo to go to position in variable 'pos' 
            delay(15);
            } 
            
          }
          // save the current state as the last state, 
          //for next time through the loop
          lastButtonState = buttonState;
        
          
          // turns on the LED every four button pushes by 
          // checking the modulo of the button push counter.
          // the modulo function gives you the remainder of 
          // the division of two numbers:
          if (buttonPushCounter % 4 == 0) {
            
            //Motor A forward @ full speed
            digitalWrite(dirA, HIGH); //Establishes forward direction of Channel A
            digitalWrite(brakeA, LOW); //Disengage the Brake for Channel A
            analogWrite(pwmA, 255); //Spins the motor on channel A at full speed
            //Motor B forward @ full speed
            digitalWrite(dirB, HIGH); //Establishes forward direction of Channel B
            digitalWrite(brakeB, LOW); //Disengage the Brake for Channel B
            analogWrite(pwmB, 255);
            delay(3000);
        
            digitalWrite(brakeA, HIGH); //Engage the Brake for Channel A
            digitalWrite(brakeB, HIGH); //Engage the Brake for Channel B
            delay(1000);
        
            //Motor A backwards @ full speed
            digitalWrite(dirA, LOW); //Establishes backward direction of Channel A
            digitalWrite(brakeA, LOW); //Disengage the Brake for Channel A
            analogWrite(pwmA, 255); //full speed
            //Motor B backwards @ half speed
            digitalWrite(dirB, LOW); //Establishes backward direction of Channel B
            digitalWrite(brakeB, LOW); //Disengage the Brake for Channel B
            analogWrite(pwmB, 127); //half speed
            delay(3000);
        
            //Motor A forward @ half speed
            digitalWrite(dirA, HIGH); //Establishes forward direction of Channel A
            digitalWrite(brakeA, LOW); //Disengage the Brake for Channel A
            analogWrite(pwmA, 127); //half speed
            //Motor B forward @ full speed
            digitalWrite(dirB, HIGH); //Establishes forward direction of Channel B
            digitalWrite(brakeB, LOW); //Disengage the Brake for Channel B
            analogWrite(pwmB, 255); //full speed
            delay(3000); 
        
            //Motor A backwards @ full speed
            digitalWrite(dirA, LOW); //Establishes backward direction of Channel A
            digitalWrite(brakeA, LOW); //Disengage the Brake for Channel A
            analogWrite(pwmA, 255); //full speed
            //Motor B backwards @ half speed
            digitalWrite(dirB, LOW); //Establishes backward direction of Channel B
            digitalWrite(brakeB, LOW); //Disengage the Brake for Channel B
            analogWrite(pwmB, 127); //half speed
            delay(3000);
        
            //Motor A forward @ half speed
            digitalWrite(dirA, HIGH); //Establishes forward direction of Channel A
            digitalWrite(brakeA, LOW); //Disengage the Brake for Channel A
            analogWrite(pwmA, 127); //half speed
            //Motor B forward @ full speed
            digitalWrite(dirB, HIGH); //Establishes forward direction of Channel B
            digitalWrite(brakeB, LOW); //Disengage the Brake for Channel B
            analogWrite(pwmB, 255); //full speed
            delay(3000);  
        
            digitalWrite(brakeA, HIGH); //engage the Brake for Channel A
            digitalWrite(brakeB, HIGH); //engage the Brake for Channel B
            delay(3000);
            
           
            servoswitch10.attach(10);  // attaches the servo on pin 9 to the servo object 
        for(pos = 0; pos < 90; pos += 1)  // goes from 0 degrees to 180 degrees 
          {                                  // in steps of 1 degree 
            servoswitch10.write(pos);              // tell servo to go to position in variable 'pos' 
                                  // waits 15ms for the servo to reach the position 
                                 
          } 
          } else {
        
          }
        }}

Call some code that removes all power from them

At the end the motors keep going

At the end of what? The loop() function is called over and over. There is no end.

How do I have the keep the loop for the counter but not have the motor program in there also?

You write code that will do what you want.
There are lots of glorious things in the C tool box. Take a look at if statements, they can execute code dependent on the value stored in counters or variables.