chore(package): update lockfile

https://npm.im/greenkeeper-lockfile

Author: greenkeeperio-bot

yarn.lock

@@ -1229,9 +1229,9 @@ babel-plugin-transform-regenerator@^6.5.0:
   dependencies:
     regenerator-transform "^0.10.0"
 
-[email protected].3:
-  version "6.9.3"
-  resolved "https://registry.yarnpkg.com/babel-plugin-transform-remove-console/-/babel-plugin-transform-remove-console-6.9.3.tgz#b14d9f739022dc5cb4dad1b1ff09cc660e6dc7c3"
+[email protected].4:
+  version "6.9.4"
+  resolved "https://registry.yarnpkg.com/babel-plugin-transform-remove-console/-/babel-plugin-transform-remove-console-6.9.4.tgz#b980360c067384e24b357a588d807d3c83527780"
 
 babel-plugin-transform-strict-mode@^6.24.1:
   version "6.24.1"