Remove unused types.
Remove unused types.

jeremyepling/TypeScript,thr0w/Thr0wScript,weswigham/TypeScript,SaschaNaz/TypeScript,kitsonk/TypeScript,Microsoft/TypeScript,RyanCavanaugh/TypeScript,Microsoft/TypeScript,jeremyepling/TypeScript,mihailik/TypeScript,minestarks/TypeScript,SaschaNaz/TypeScript,nojvek/TypeScript,kpreisser/TypeScript,erikmcc/TypeScript,alexeagle/TypeScript,donaldpipowitch/TypeScript,erikmcc/TypeScript,DLehenbauer/TypeScript,jeremyepling/TypeScript,mihailik/TypeScript,jwbay/TypeScript,kitsonk/TypeScript,mihailik/TypeScript,donaldpipowitch/TypeScript,basarat/TypeScript,nojvek/TypeScript,thr0w/Thr0wScript,weswigham/TypeScript,DLehenbauer/TypeScript,SaschaNaz/TypeScript,DLehenbauer/TypeScript,jwbay/TypeScript,vilic/TypeScript,kpreisser/TypeScript,alexeagle/TypeScript,thr0w/Thr0wScript,jwbay/TypeScript,TukekeSoft/TypeScript,vilic/TypeScript,TukekeSoft/TypeScript,Eyas/TypeScript,synaptek/TypeScript,Eyas/TypeScript,donaldpipowitch/TypeScript,RyanCavanaugh/TypeScript,TukekeSoft/TypeScript,kpreisser/TypeScript,minestarks/TypeScript,microsoft/TypeScript,thr0w/Thr0wScript,Microsoft/TypeScript,synaptek/TypeScript,vilic/TypeScript,kitsonk/TypeScript,SaschaNaz/TypeScript,chuckjaz/TypeScript,chuckjaz/TypeScript,nojvek/TypeScript,microsoft/TypeScript,vilic/TypeScript,erikmcc/TypeScript,RyanCavanaugh/TypeScript,basarat/TypeScript,chuckjaz/TypeScript,Eyas/TypeScript,minestarks/TypeScript,DLehenbauer/TypeScript,nojvek/TypeScript,mihailik/TypeScript,jwbay/TypeScript,alexeagle/TypeScript,basarat/TypeScript,erikmcc/TypeScript,weswigham/TypeScript,chuckjaz/TypeScript,microsoft/TypeScript,Eyas/TypeScript,donaldpipowitch/TypeScript,synaptek/TypeScript,basarat/TypeScript,synaptek/TypeScript