fix: update

.travis.yml

@@ -3,7 +3,6 @@ before_install:
   - echo "`date -u '+%Y-%m-%d %H:%M:%S'` Start to build Luna"
   - docker pull node:latest
 install:
-  - git checkout $Branch
   - sed -i 's/{{BUILD_NUMBER}}/'$BUILD_NUMBER'/g' src/environments/environment.prod.ts
   - rm -rf dist/
   - docker run -i -v `pwd`:/data -w /data node  sh -c "npm i && npm rebuild node-sass&& npm run-script build"