replace export * with specific exports.

Author: dbrans

packages/sample-controllers/src/sample-gas-prices-service/index.ts

@@ -1,2 +1,2 @@
-export type * from './sample-abstract-gas-prices-service';
-export * from './sample-gas-prices-service';
+export { type SampleAbstractGasPricesService } from './sample-abstract-gas-prices-service';
+export { SampleGasPricesService } from './sample-gas-prices-service';