LMS: simplifying language settings modal controls UI

lms/static/sass/elements/_controls.scss

@@ -237,29 +237,6 @@
   }
 }
 
-// ====================
-
-%btn-reset {
-  background: none;
-  border: none;
-  font-size: inherit;
-  box-shadow: none;
-  text-shadow: none;
-}
-
-// button that appears visually as a link
-%btn-link {
-  @extend %btn-reset;
-  color: $link-color;
-  text-decoration: none;
-  @include transition(all 0.1s linear 0s);
-
-  &:hover, &:focus {
-    color: $link-color;
-    text-decoration: underline;
-  }
-}
-
 // ====================
 
   // application: canned actions

lms/static/sass/shared/_modal.scss

@@ -342,25 +342,5 @@
   .list-input {
     margin-bottom: $baseline;
   }
-
-  .list-actions {
-
-    .action-item {
-      @extend %wipe-last-child;
-      display: inline-block;
-      vertical-align: middle;
-      margin-right: ($baseline/4);
-    }
-
-    .action-submit {
-      color: $white;
-      padding-top: ($baseline/3);
-      padding-bottom: ($baseline/3);
-    }
-
-    .action-cancel {
-      @extend %btn-link;
-    }
-  }
 }
 

lms/templates/modal/_modal-settings-language.html

@@ -35,14 +35,9 @@
           </li>
         </ol>
 
-        <ul class="list-actions">
-          <li class="action-item">
-            <button type="submit" class="action action-submit" id="submit-lang">Save Language</button>
-          </li>
-          <li class="action-item">
-            <button type="reset" class="action action-cancel">Cancel</button>
-          </li>
-        </ul>
+        <div class="submit">
+          <input type="submit" id="submit-lang" value="${_('Save Language Settings')}" />
+        </div>
       </form>
     </div>
   </div>