Remove mr_notes webpack bundle
What does this MR do?
Removes mr_notes
bundle and places the init logic for this page within /pages/projects/merge_requests/show/index.js
Are there points in the code the reviewer needs to double check?
The new Vue notes feature should still work as intended
Why was this MR needed?
We are eliminating ~"technical debt" but removing all manual entries to the webpack.config.js in favor of page-specific entry points.
What are the relevant issue numbers?
See #41341 (closed)