Branch title trailing space on href hover

Summary

The href on the branches page have a trailing _ when your mouse is hovered over the link

Steps to reproduce

1. Go to branches page
2. Hover your mouse over a branch title

Expected behavior

There should not be a trailing _

Relevant logs and/or screenshots

Changed title: Commit title trailing space on href hover → Branch title trailing space on href hover

mentioned in merge request !5688 (merged)

Added frontend ~12980 repository labels

Status changed to closed by merge request !5688 (merged)

Mentioned in commit maxraab/gitlab-ce@e5840a4d

mentioned in merge request !14785