CFlashUpdate: remove superfluous paint of progress

This should fix remains on screen of progressbars after
flashing or local updates.


Origin commit data
------------------
Commit: ab29b2fa43
Author: Thilo Graf <dbt@novatux.de>
Date: 2016-01-03 (Sun, 03 Jan 2016)

src/gui/update.cpp

@@ -508,7 +508,7 @@ int CFlashUpdate::exec(CMenuTarget* parent, const std::string &actionKey)
 	CVFD::getInstance()->setMode(CLCD::MODE_PROGRESSBAR2);
 #endif // VFD_UPDATE
 
-	showGlobalStatus(19);
+
 	paint();
 	showGlobalStatus(20);