VLCSettingsController: Remove unnecessary cell registration

This led to colors not being correctly updated issues.

Sources/VLCSettingsController.m

@@ -72,7 +72,6 @@ NSString * const kVLCSectionTableHeaderViewIdentifier = @"VLCSectionTableHeaderV
     
     actionSheet = [[VLCActionSheet alloc] init];
     actionSheet.modalPresentationStyle = UIModalPresentationCustom;
-    [actionSheet.collectionView registerClass:[VLCActionSheetCell class] forCellWithReuseIdentifier:VLCActionSheetCell.identifier];
     
     specifierManager = [[VLCSettingsSpecifierManager alloc] initWithSettingsReader:self.settingsReader settingsStore:self.settingsStore];
 }