remove GeneratorFunction global from lib.d.ts (#21615)
remove GeneratorFunction global from lib.d.ts (#21615)


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