remove an unnecessary line

src/client/js/services/AdminCustomizeContainer.js

@@ -55,7 +55,6 @@ export default class AdminCustomizeContainer extends Container {
         'vs2015':           { name: '[Dark] Vs 2015',         border: false },
       },
       /* eslint-enable quote-props, no-multi-spaces */
-
     };
     this.switchPageListLimitationS = this.switchPageListLimitationS.bind(this);
     this.switchPageListLimitationM = this.switchPageListLimitationM.bind(this);