refactor: remove dead code (#3337)

packages/logger/src/Logger.ts

@@ -99,14 +99,6 @@ export class Logger {
 				: serviceNameOrPinoLogger;
 	}
 
-	getPinoLogger(): PinoLogger {
-		return this.logger;
-	}
-
-	setPinoLogger(logger: PinoLogger): void {
-		this.logger = logger;
-	}
-
 	static createWithLogger(logger: PinoLogger): Logger {
 		return new Logger(logger);
 	}