Remove unused code

What does this MR do?

As you can see from the comments on this issue https://gitlab.com/gitlab-org/gitlab-ce/issues/31202 the removed code is not being used.

Does this MR meet the acceptance criteria?

• Tests
  • All builds are passing
• Conform by the merge request performance guides
• Conform by the style guides
• Branch has no merge conflicts with master (if it does - rebase it please)
• Squashed related commits together

What are the relevant issue numbers?

Closes #31202 (closed)

added 78 commits

• caceecf1...3ff8d802 - 77 commits from branch master
• 02269c46 - Merge branch 'master' into 31202-timeago-loops

Compare with previous version

added 1 commit

• 541656fd - Adds tests for time ago component

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marked the checklist item All builds are passing as completed

@iamphill can you please review this one? Thank you!

assigned to @iamphill

assigned to @filipa

resolved all discussions

added 1 commit

• 34415ce9 - Changes after review

Compare with previous version

mentioned in issue #29395 (closed)

@iamphill can you please review this again? Thank you!

approved this merge request

merged

mentioned in commit 5c195199