Unapply Incidents Processes class globally

The articles on the Incidents Processes class are intended to be displayed
only on the Incident view page, but they were also available at the
Include Article field of tickets, because the class was applied globally.

etc/initialdata

@@ -683,6 +683,7 @@ for my $cf (@CustomFields) {
     {
         Name => 'Incidents Processes',
         Description => 'Processes to be followed in the event of an incident',
+        ApplyTo => [],
     }
 );
 

etc/upgrade/5.0.8/content

@@ -0,0 +1,15 @@
+our @Final = sub {
+    my $CurrentUser = RT::CurrentUser->new();
+    $CurrentUser->LoadByName('RT_System');
+
+    require RT::Class;
+    my $incident_processes = RT::Class->new($CurrentUser);
+    $incident_processes->Load('Incidents Processes');
+    die "Could not load 'Incidents Processes' class: $msg" unless $incident_processes->Id;
+
+    if ( $incident_processes->IsApplied( 0 ) ) {
+        my $empty_queue = RT::Queue->new( RT->SystemUser );
+        my ($ok, $msg) = $incident_processes->RemoveFromObject( $empty_queue );
+        die "Could not remove 'Incidents Processes' from 'Global' queue: $msg" unless $ok;
+    }
+};