fix(microservices): Remove unnecessary exception filter priority changes

Remove the changes to exception filter handling in RPC exceptions handler
as the current behavior is the intended behavior according to maintainer
feedback.

Signed-off-by: snowykte0426 <snowykte0426@naver.com>

packages/microservices/exceptions/rpc-exceptions-handler.ts

@@ -37,12 +37,6 @@ export class RpcExceptionsHandler extends BaseRpcExceptionFilter {
     exception: T,
     host: ArgumentsHost,
   ): Observable<any> | null {
-    const filters = this.filters.filter(
-      filter => filter.exceptionMetatypes?.length === 0,
-    );
-    if (filters.length > 0) {
-      return filters[0].func(exception, host);
-    }
     if (isEmpty(this.filters)) {
       return null;
     }