cleanup: don't center map on rejecting edit

The editing of the dive site is controlled via an undo command.
No point in centering the map when cancelling a profile-edit.

Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>

desktop-widgets/tab-widgets/maintab.cpp

@@ -560,9 +560,6 @@ void MainTab::rejectChanges()
 		clear_dive(&displayed_dive);
 	updateDiveInfo();
 
-	// the user could have edited the location and then canceled the edit
-	// let's get the correct location back in view
-	MapWidget::instance()->centerOnDiveSite(current_dive ? current_dive->dive_site : nullptr);
 	// show the profile and dive info
 	MainWindow::instance()->graphics->replot();
 	MainWindow::instance()->setEnabledToolbar(true);