Drop GFM support for the title of Milestone/MergeRequest in template

app/views/projects/issues/_merge_requests.html.haml

@@ -14,7 +14,7 @@
           = merge_request.to_reference
         %span.merge-request-info
           %strong
-            = link_to_gfm merge_request.title, merge_request_path(merge_request), class: "row_title"
+            = link_to merge_request.title, merge_request_path(merge_request), class: "row_title"
           - unless @issue.project.id == merge_request.target_project.id
             in
             - project = merge_request.target_project

app/views/shared/milestones/_milestone.html.haml

@@ -4,7 +4,7 @@
 %li{ class: "milestone milestone-#{milestone.closed? ? 'closed' : 'open'}", id: custom_dom_id }
   .row
     .col-sm-6
-      %strong= link_to_gfm truncate(milestone.title, length: 100), milestone_path
+      %strong= link_to truncate(milestone.title, length: 100), milestone_path
     .col-sm-6
       .pull-right.light #{milestone.percent_complete(current_user)}% complete
   .row

changelogs/unreleased/34309-drop-gfm-mr-ms.yml

+---
+title: Drop GFM support for the title of Milestone/MergeRequest in template
+merge_request: 12451
+author: Takuya Noguchi