fix: removed extra class

Author: Hariom Sharma

src/lib/DndEditor.scss

@@ -18,7 +18,6 @@ import { useDeepCompare } from '@harryy/rehooks'
 import FormElement from './assets/blocks/FormElement'
 import { LocalizationProvider } from '@material-ui/pickers'
 import MomentUtils from '@material-ui/pickers/adapter/moment'
-import './DndEditor.scss'
 
 export interface DndEditorProps {
     value?: Partial<DndState>