no need to clear an exception on our internal functions

Author: sbSteveK

src/native/java_class_ids.c

@@ -2248,7 +2248,7 @@ static void s_cache_mqtt5_publish_return(JNIEnv *env) {
     AWS_FATAL_ASSERT(cls);
     mqtt5_publish_return_properties.return_class = (*env)->NewGlobalRef(env, cls);
     AWS_FATAL_ASSERT(mqtt5_publish_return_properties.return_class);
-    /* Constructor: PublishReturn(PublishPacket, long) */
+    // Functions
     mqtt5_publish_return_properties.return_constructor_id = (*env)->GetMethodID(
         env,
         mqtt5_publish_return_properties.return_class,

src/native/mqtt5_client.c

@@ -627,12 +627,10 @@ static void s_aws_mqtt5_client_java_publish_received(
         /* Invalidate the PublishReturn to prevent post-callback use */
         (*env)->CallVoidMethod(
             env, publish_packet_return_data, mqtt5_publish_return_properties.return_invalidate_after_callback_id);
-        aws_jni_check_and_clear_exception(env); /* To hide JNI warning */
 
         /* Check whether the user called acquirePublishAcknowledgementControl() during the callback */
         jboolean user_acquired_control = (*env)->CallBooleanMethod(
             env, publish_packet_return_data, mqtt5_publish_return_properties.return_was_control_acquired_id);
-        aws_jni_check_and_clear_exception(env); /* To hide JNI warning */
 
         if (!user_acquired_control) {
             /* User did NOT call acquirePublishAcknowledgementControl(); auto-invoke the PUBACK */