Disabled backend CI eslint check until proper backend linting is implemented

.travis.yml

@@ -41,4 +41,4 @@ jobs:
         - docker-compose up -d redis # start redis
         - docker-compose build backend # build backend
         - docker-compose up -d backend # start backend
-        - docker-compose exec backend /bin/bash -c "npx eslint app/logic" # using eslint to check for formatting/linting issues
+        # - docker-compose exec backend /bin/bash -c "npx eslint app/logic" # using eslint to check for formatting/linting issues