Remove vue from main.bundle.js

Merged Filipa Lacerda requested to merge 34017-common-vue into master

What does this MR do?

While removing code from global scope we added vue into the main.bundle.js file.

This MR reverts that change to the way it was before: https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/12232/diffs#87d24632acf1e2ae7b28c60e20d15798f58b0f0c_15_11

Does this MR meet the acceptance criteria?

What are the relevant issue numbers?

Closes #34017 (closed)

Edited by Filipa Lacerda