minor #18 removing old files for the plugin (weaverryan)

This PR was merged into the main branch.

Discussion
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removing old files for the plugin

These are extra files I missed in #14

After these are deleted, the error in I added to the readme in #17 will occur if you use the updated version of this lib with an outdated Encore version.

Thanks!

Commits
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017ff71 removing old files for the plugin

Author: tgalopin

dist/webpack/plugin.js

@@ -38,7 +38,6 @@
     "files": [
         "src/",
         "dist/",
-        "webpack-helper.js",
         "controllers.json"
     ]
 }