fix(comment): update error documentation comment for remote engine se…

…rvice (#1548)

## Rationale
Updating an error comment in the code to reflect the correct service
name is needed.

## Test Plan
No need

src/server/src/grpc/remote_engine_service/error.rs

@@ -15,7 +15,7 @@
 // specific language governing permissions and limitations
 // under the License.
 
-//! Error definitions for meta event service.
+//! Error definitions for remote engine service.
 
 use generic_error::GenericError;
 use horaedbproto::common::ResponseHeader;