Unused file

ampel-firmware/src/lib/NTPClient/.travis.yml

-language: c
-sudo: false
-before_install:
-  - source <(curl -SLs https://raw.githubusercontent.com/adafruit/travis-ci-arduino/master/install.sh)
-script:
-  - build_platform esp8266
-notifications:
-  email:
-    on_success: change
-    on_failure: change