Remove underline style for icon hover

app/assets/stylesheets/framework/icons.scss

@@ -57,3 +57,9 @@
     fill: $gl-text-color;
   }
 }
+
+.icon-link {
+  &:hover {
+    text-decoration: none;
+  }
+}

app/views/projects/merge_requests/widget/_heading.html.haml

@@ -2,7 +2,7 @@
   .mr-widget-heading
     - %w[success success_with_warnings skipped canceled failed running pending].each do |status|
       .ci_widget{ class: "ci-#{status} ci-status-icon-#{status}", style: ("display:none" unless @pipeline.status == status) }
-        = link_to namespace_project_pipeline_path(@pipeline.project.namespace, @pipeline.project, @pipeline.id) do
+        = link_to namespace_project_pipeline_path(@pipeline.project.namespace, @pipeline.project, @pipeline.id), class: 'icon-link' do
           = ci_icon_for_status(status)
         %span
           Pipeline