set has_tooltip to false for commit author_avatar

app/views/projects/commits/_commit.html.haml

@@ -19,7 +19,7 @@
   %li.commit.flex-row.js-toggle-container{ id: "commit-#{commit.short_id}" }
 
     .avatar-cell.d-none.d-sm-block
-      = author_avatar(commit, size: 36)
+      = author_avatar(commit, size: 36, has_tooltip: false)
 
     .commit-detail.flex-list
       .commit-content.qa-commit-content
@@ -38,7 +38,7 @@
             = sprite_icon('ellipsis_h', size: 12)
 
         .commiter
-          - commit_author_link = commit_author_link(commit, avatar: false, size: 24)
+          - commit_author_link = commit_author_link(commit, avatar: false, size: 24, has_tooltip: false)
           - commit_timeago = time_ago_with_tooltip(commit.authored_date, placement: 'bottom')
           - commit_text =  _('%{commit_author_link} authored %{commit_timeago}') % { commit_author_link: commit_author_link, commit_timeago: commit_timeago }
           #{ commit_text.html_safe }