Remove template strings in checker.ts (#18016)
Remove template strings in checker.ts (#18016)

* Remove template strings in checker.ts

* Inline function

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