compiling sequence trouble shooting of existing program with multiple sensors

warning about AmazonDRS at the bottom of this when compiling

/home/don/Downloads/arduino-1.8.5/arduino-builder -dump-prefs -logger=machine -hardware /home/don/Downloads/arduino-1.8.5/hardware -hardware /home/don/.arduino15/packages -tools /home/don/Downloads/arduino-1.8.5/tools-builder -tools /home/don/Downloads/arduino-1.8.5/hardware/tools/avr -tools /home/don/.arduino15/packages -built-in-libraries /home/don/Downloads/arduino-1.8.5/libraries -libraries /home/don/Arduino/libraries -fqbn=arduino:avr:mega:cpu=atmega2560 -vid-pid=0X2341_0X0042 -ide-version=10805 -build-path /tmp/arduino_build_147629 -warnings=all -build-cache /tmp/arduino_cache_454262 -prefs=build.warn_data_percentage=75 -prefs=runtime.tools.avr-gcc.path=/home/don/.arduino15/packages/arduino/tools/avr-gcc/4.9.2-atmel3.5.4-arduino2 -prefs=runtime.tools.avrdude.path=/home/don/.arduino15/packages/arduino/tools/avrdude/6.3.0-arduino9 -prefs=runtime.tools.arduinoOTA.path=/home/don/.arduino15/packages/arduino/tools/arduinoOTA/1.1.1 -verbose /home/don/Arduino/EA_EFIS_19264_v12/EA_EFIS_19264_v12.ino
/home/don/Downloads/arduino-1.8.5/arduino-builder -compile -logger=machine -hardware /home/don/Downloads/arduino-1.8.5/hardware -hardware /home/don/.arduino15/packages -tools /home/don/Downloads/arduino-1.8.5/tools-builder -tools /home/don/Downloads/arduino-1.8.5/hardware/tools/avr -tools /home/don/.arduino15/packages -built-in-libraries /home/don/Downloads/arduino-1.8.5/libraries -libraries /home/don/Arduino/libraries -fqbn=arduino:avr:mega:cpu=atmega2560 -vid-pid=0X2341_0X0042 -ide-version=10805 -build-path /tmp/arduino_build_147629 -warnings=all -build-cache /tmp/arduino_cache_454262 -prefs=build.warn_data_percentage=75 -prefs=runtime.tools.avr-gcc.path=/home/don/.arduino15/packages/arduino/tools/avr-gcc/4.9.2-atmel3.5.4-arduino2 -prefs=runtime.tools.avrdude.path=/home/don/.arduino15/packages/arduino/tools/avrdude/6.3.0-arduino9 -prefs=runtime.tools.arduinoOTA.path=/home/don/.arduino15/packages/arduino/tools/arduinoOTA/1.1.1 -verbose /home/don/Arduino/EA_EFIS_19264_v12/EA_EFIS_19264_v12.ino
Using board 'mega' from platform in folder: /home/don/.arduino15/packages/arduino/hardware/avr/1.6.21
Using core 'arduino' from platform in folder: /home/don/.arduino15/packages/arduino/hardware/avr/1.6.21
WARNING: Category '*' in library AmazonDRS is not valid. Setting to 'Uncategorized'
Detecting libraries used...

in this last warning is AmazonDRS do you know what it is or where it is located and how to get rid of it?