Remove unused dbus_send_with_block() function

Future MCE code should never use blocking dbus ipc and thus the
helper for making them is removed.

mce-dbus.c

@@ -663,72 +663,6 @@ gboolean dbus_send(const gchar *const service, const gchar *const path,
 	return res;
 }
 
-/**
- * Generic function to send D-Bus messages, blocking version
- *
- * @param service D-Bus service
- * @param path D-Bus path
- * @param interface D-Bus interface
- * @param name The D-Bus method to send to
- * @param timeout The reply timeout in milliseconds to use
- * @param first_arg_type The DBUS_TYPE of the first argument in the list
- * @param ... The arguments to append to the D-Bus message;
- *            terminate with DBUS_TYPE_INVALID
- *            Note: the arguments MUST be passed by reference
- * @return A new DBusMessage with the reply on success, NULL on failure
- */
-DBusMessage *dbus_send_with_block(const gchar *const service,
-				  const gchar *const path,
-				  const gchar *const interface,
-				  const gchar *const name,
-				  gint timeout, int first_arg_type, ...)
-{
-	DBusMessage *reply = NULL;
-	DBusMessage *msg = NULL;
-	va_list var_args;
-	DBusError error;
-
-	/* Register error channel */
-	dbus_error_init(&error);
-
-	msg = dbus_new_method_call(service, path, interface, name);
-
-	/* Append the arguments, if any */
-	va_start(var_args, first_arg_type);
-
-	if (first_arg_type != DBUS_TYPE_INVALID) {
-		if (dbus_message_append_args_valist(msg,
-						    first_arg_type,
-						    var_args) == FALSE) {
-			mce_log(LL_CRIT,
-				"Failed to append arguments to D-Bus message "
-				"for %s.%s",
-				interface, name);
-			dbus_message_unref(msg);
-			goto EXIT;
-		}
-	}
-
-	/* Call the method */
-	reply = dbus_connection_send_with_reply_and_block(dbus_connection, msg,
-							  timeout, &error);
-
-	dbus_message_unref(msg);
-
-	if (dbus_error_is_set(&error) == TRUE) {
-		mce_log(LL_ERR,
-			"Error sending with reply to %s.%s: %s",
-			interface, name, error.message);
-		dbus_error_free(&error);
-		reply = NULL;
-	}
-
-EXIT:
-	va_end(var_args);
-
-	return reply;
-}
-
 /**
  * D-Bus callback for the version get method call
  *

mce-dbus.h

@@ -54,12 +54,6 @@ gboolean dbus_send_ex(const char *service,
 		      DBusPendingCall **ppc,
 		      int first_arg_type, ...);
 
-DBusMessage *dbus_send_with_block(const gchar *const service,
-				  const gchar *const path,
-				  const gchar *const interface,
-				  const gchar *const name,
-				  gint timeout, int first_arg_type, ...);
-
 gconstpointer mce_dbus_handler_add_ex(const gchar *const interface,
 				      const gchar *const name,
 				      const gchar *const args,