Replace fa-pause with pause svg

- remove unused style

app/assets/stylesheets/pages/runners.scss

@@ -44,10 +44,6 @@
   .btn-default {
     color: $gl-text-color-secondary;
   }
-
-  .fa-pause {
-    font-size: 11px;
-  }
 }
 
 @include media-breakpoint-down(md) {

app/views/admin/runners/_runner.html.haml

@@ -70,7 +70,7 @@
       .btn-group
         - if runner.active?
           = link_to [:pause, :admin, runner], method: :get, class: 'btn btn-default has-tooltip', title: _('Pause'), ref: 'tooltip', aria: { label: _('Pause') }, data: { placement: 'top', container: 'body', confirm: _('Are you sure?') } do
-            = icon('pause')
+            = sprite_icon('pause')
         - else
           = link_to [:resume, :admin, runner], method: :get, class: 'btn btn-default has-tooltip gl-px-3', title: _('Resume'), ref: 'tooltip', aria: { label: _('Resume') }, data: { placement: 'top', container: 'body'} do
             = sprite_icon('play')

changelogs/unreleased/225924-fa-pause-replacement.yml

+---
+title: Replace fa-pause with pause svg
+merge_request: 37149
+author:
+type: other