remove workspace.js

apps/remix-ide/src/app/ui/landing-page/workspace.js

-export class Workspace {
-  constructor (title, description, isMain, activate, deactivate) {
-    this.title = title
-    this.description = description
-    this.isMain = isMain
-    this.activate = activate
-    this.deactivate = deactivate
-  }
-}
-
-export const defaultWorkspaces = (appManager) => {
-  return [
-    new Workspace(
-      'Solidity',
-      'Writing smart contracts. It is used for implementing smart contracts on various blockchain platforms',
-      true,
-      () => {
-        appManager.ensureActivated('solidity')
-        appManager.ensureActivated('udapp')
-        appManager.ensureActivated('solidityStaticAnalysis')
-        appManager.ensureActivated('solidityUnitTesting')
-      }, () => {}),
-    new Workspace(
-      'Vyper',
-      'Vyper is a contract-oriented, pythonic programming language that targets the Ethereum Virtual Machine (EVM)',
-      true,
-      () => {
-        appManager.ensureActivated('vyper')
-        appManager.ensureActivated('udapp')
-      }, () => {}),
-    new Workspace(
-      'Lexon',
-      'Lexon is a language modelling legal contracts that compiles down to ethereum smart contracts',
-      true,
-      () => {
-        appManager.ensureActivated('lexon')
-        appManager.ensureActivated('udapp')
-      }, () => {}),
-    new Workspace('Debugger', 'Debug transactions with remix', false, () => {
-      appManager.ensureActivated('debugger')
-    }, () => {}),
-    new Workspace('Pipeline', '', false, () => {
-      appManager.ensureActivated('solidity')
-      appManager.ensureActivated('pipeline')
-      appManager.ensureActivated('udapp')
-    })
-  ]
-}