Remove unused flags.
Remove unused flags.

fdecampredon/jsx-typescript-old-version,popravich/typescript,hippich/typescript,popravich/typescript,mbebenita/shumway.ts,hippich/typescript,mbebenita/shumway.ts,fdecampredon/jsx-typescript-old-version,fdecampredon/jsx-typescript-old-version,popravich/typescript,mbebenita/shumway.ts,hippich/typescript