Remove duplicated BS display properties from various Diffs

Diffs in the Commit detail, Compare, MR creation, and Wiki.
Signed-off-by: Takuya Noguchi <takninnovationresearch@gmail.com>

app/views/projects/diffs/_stats.html.haml

@@ -10,7 +10,7 @@
     %strong.cgreen= pluralize(sum_added_lines, 'addition')
     and
     %strong.cred= pluralize(sum_removed_lines, 'deletion')
-  .diff-stats-additions-deletions-collapsed.float-right.d-none.d-sm-none{ "aria-hidden": "true", "aria-describedby": "diff-stats" }
+  .diff-stats-additions-deletions-collapsed.float-right.d-none{ "aria-hidden": "true", "aria-describedby": "diff-stats" }
     %strong.cgreen<
       +#{sum_added_lines}
     %strong.cred<

changelogs/unreleased/270065-bs4-optimization-diffs.yml

+---
+title: Remove duplicated BS display properties from various Diffs
+merge_request: 47125
+author: Takuya Noguchi
+type: other