[2248] Revert default popup display preference for automatic migration

- This issue requires further modifications and will be analyzed at a
later date. Meantime we revert the display preference.

Bug: 2248
Change-Id: I6c247582e2f2cf1cfbd9f42ccb094571a2ce7327
Signed-off-by: Sandu Postaru <sandu.postaru@thalesgroup.com>

releng/plugins/org.polarsys.capella.rcp/plugin_customization.ini

@@ -53,7 +53,4 @@ org.eclipse.ui.workbench/UIActivities.org.eclipse.plugInDevelopment=false
 org.eclipse.ui.workbench/UIActivities.org.eclipse.team.cvs=false
 
 # Increase the maximum number of help topics that can be printed
-org.eclipse.help.base/maxTopics=2000
-
-# By default any automatic migration of VSM or aird triggered by user action will open a dialog asking for saving.
-org.eclipse.sirius.common.ui/ASK_TO_SAVE_RESOURCE_AFTER_MIGRATION=true
+org.eclipse.help.base/maxTopics=2000