remove greenkeeper lockfile updation from travis

vinaypuppal · vinaypuppal · commit 6ac615336eb2 · 2018-01-26T00:07:38.000+05:30
diff --git a/.travis.yml b/.travis.yml
@@ -6,9 +6,6 @@ node_js:
 before_install:
   - 'curl -o- -L https://yarnpkg.com/install.sh | bash -s -- --version 0.27.5'
   - 'export PATH="$HOME/.yarn/bin:$PATH"'
-  - yarn global add greenkeeper-lockfile@1
-before_script: greenkeeper-lockfile-update
-after_script: greenkeeper-lockfile-upload
 cache: yarn
 env:
   global:
