Fix overflow UI bug with longer commit title on Wiki Page History

Signed-off-by: Takuya Noguchi <takninnovationresearch@gmail.com>

app/views/shared/wikis/history.html.haml

@@ -28,7 +28,7 @@
             %td
               = commit.author_name
             %td
-              %span.str-truncated-60
+              .commit-content
                 = link_to wiki_page_path(@wiki, @page, action: :diff, version_id: commit.id), { title: commit.message } do
                   = commit.message
             %td

changelogs/unreleased/326636-remove-str-truncated-60-class-from-app-views-shared-wikis-history.yml

+---
+title: Fix overflow UI bug with longer commit title on Wiki Page History
+merge_request: 58212
+author: Takuya Noguchi
+type: fixed