fix(mdc-chips-benchmark): remove unnecessary providers

Author: wagnermaciel

test/benchmarks/mdc/chips/app.module.ts

@@ -53,7 +53,6 @@ export class ChipsBenchmarkApp {
     BrowserModule,
     MatChipsModule,
   ],
-  providers: [],
   bootstrap: [ChipsBenchmarkApp],
 })
 export class AppModule {}