Manipulator: remove unused event hack

source/blender/windowmanager/manipulators/intern/wm_manipulator_group.c

@@ -366,9 +366,6 @@ static int manipulator_tweak_modal(bContext *C, wmOperator *op, const wmEvent *e
 		mpr->type->modal(C, mpr, event, mtweak->flag);
 	}
 
-	/* Ugly hack to send manipulator events */
-	((wmEvent *)event)->type = EVT_MANIPULATOR_UPDATE;
-
 	/* always return PASS_THROUGH so modal handlers
 	 * with manipulators attached can update */
 	return OPERATOR_PASS_THROUGH;

source/blender/windowmanager/wm_event_types.h

@@ -338,9 +338,6 @@ enum {
 	EVT_MODAL_MAP         = 0x5022,
 	EVT_DROP              = 0x5023,
 	EVT_BUT_CANCEL        = 0x5024,
-
-	/* could become manipulator callback */
-	EVT_MANIPULATOR_UPDATE     = 0x5025,
 	/* ********** End of Blender internal events. ********** */
 };