cleanup NodeTypingsInstaller
cleanup NodeTypingsInstaller

microsoft/TypeScript,minestarks/TypeScript,kpreisser/TypeScript,SaschaNaz/TypeScript,RyanCavanaugh/TypeScript,microsoft/TypeScript,nojvek/TypeScript,kitsonk/TypeScript,kitsonk/TypeScript,RyanCavanaugh/TypeScript,basarat/TypeScript,donaldpipowitch/TypeScript,donaldpipowitch/TypeScript,basarat/TypeScript,alexeagle/TypeScript,SaschaNaz/TypeScript,alexeagle/TypeScript,donaldpipowitch/TypeScript,microsoft/TypeScript,minestarks/TypeScript,alexeagle/TypeScript,RyanCavanaugh/TypeScript,basarat/TypeScript,Microsoft/TypeScript,SaschaNaz/TypeScript,weswigham/TypeScript,nojvek/TypeScript,kpreisser/TypeScript,kpreisser/TypeScript,basarat/TypeScript,kitsonk/TypeScript,donaldpipowitch/TypeScript,nojvek/TypeScript,weswigham/TypeScript,weswigham/TypeScript,minestarks/TypeScript,nojvek/TypeScript,SaschaNaz/TypeScript,Microsoft/TypeScript,Microsoft/TypeScript