Move .referenced-users

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

app/assets/stylesheets/framework/markdown_area.scss

@@ -286,4 +286,8 @@
     overflow: hidden;
     text-overflow: ellipsis;
   }
+
+  .referenced-users {
+    margin-right: 0;
+  }
 }

app/assets/stylesheets/framework/mobile.scss

@@ -14,10 +14,6 @@
     }
   }
 
-  .referenced-users {
-    margin-right: 0;
-  }
-
   .issues-details-filters:not(.filtered-search-block),
   .dash-projects-filters,
   .check-all-holder {