Implememted review comments.

Author: pravesh-sharma

web/pgadmin/browser/server_groups/servers/static/js/variable.ui.js

@@ -104,7 +104,7 @@ export default class VariableSchema extends BaseUISchema {
       return {
         cell: 'select',
         options: (variable.enumvals || []).map((val)=>(typeof(val)=='string' ? {
-          label: gettext(val),
+          label: val,
           value: val
         }: val)),
         controlProps: {