Remove duplicate CSS class

[ci skip]

app/views/projects/protected_branches/_create_protected_branch.html.haml

@@ -23,14 +23,14 @@
             Allowed to merge:
           .col-md-10
             = dropdown_tag('Select',
-                           options: { toggle_class: 'js-allowed-to-merge wide js-multiselectjs-multiselect', dropdown_class: 'dropdown-menu-user dropdown-menu-selectable', filter: true,
+                           options: { toggle_class: 'js-allowed-to-merge wide js-multiselect', dropdown_class: 'dropdown-menu-user dropdown-menu-selectable', filter: true,
                            data: { input_id: 'merge_access_levels_attributes' }})
         .form-group
           %label.col-md-2.text-right{ for: 'push_access_levels_attributes' }
             Allowed to push:
           .col-md-10
             = dropdown_tag('Select',
-                           options: { toggle_class: 'js-allowed-to-push wide js-multiselect js-multiselect', dropdown_class: 'dropdown-menu-user dropdown-menu-selectable', filter: true,
+                           options: { toggle_class: 'js-allowed-to-push wide js-multiselect', dropdown_class: 'dropdown-menu-user dropdown-menu-selectable', filter: true,
                            data: { input_id: 'push_access_levels_attributes' }})
 
     .panel-footer