remove uneeded

apps/vyper/src/app/utils/remix-client.tsx

@@ -5,7 +5,6 @@ import { PluginClient } from '@remixproject/plugin'
 import { Contract, compileContract } from './compiler'
 import { ExampleContract } from '../components/VyperResult'
 import EventEmitter from 'events'
-import { Plugin } from "@remixproject/engine";
 import { CustomRemixApi } from '@remix-api'
 
 export type VyperComplierAddress = 'https://vyper2.remixproject.org/' | 'http://localhost:8000/'
@@ -14,7 +13,6 @@ export class RemixClient extends PluginClient<any, CustomRemixApi> {
   compilerUrl: VyperComplierAddress = 'https://vyper2.remixproject.org/'
   compilerOutput: any
   eventEmitter = new EventEmitter()
-  devMode = true
 
   constructor() {
     super()