Fixes #845 Updating packages during migration is generalized, instead of individual script level

modules/Migration/schema/660_to_700.php

@@ -2225,9 +2225,6 @@ if(defined('VTIGER_UPGRADE')) {
rename('modules/Vtiger/resources', 'modules/Vtiger/resources_650');
}
-	//Update existing package modules
-	Install_Utils_Model::installModules();
-
//recalculate user files to finish
RecalculateSharingRules();