Remove yarn.lock (#1098)

idleberg · Golmote · commit 11eed25db9d8 · 2017-09-09T12:32:43.000+02:00
See [Lockfiles should be committed on all projects](https://yarnpkg.com/blog/2016/11/24/lockfiles-for-all/)
diff --git a/.gitignore b/.gitignore
@@ -2,4 +2,3 @@ hide-*.js
 node_modules
 .idea/
 .DS_Store
-yarn.lock
