Fixed: token field auto completions.

Auto completions are strings, not represented objects. Revert "Fix CPTokenField autocompletion to deal with represented objects"

This reverts commit 8b9a0ed.

AppKit/CPTokenField.j

@@ -1126,7 +1126,7 @@ var CPThemeStateAutoCompleting          = @"CPThemeStateAutoCompleting",
 
 - (void)tableView:(CPTableView)tableView objectValueForTableColumn:(CPTableColumn)tableColumn row:(int)row
 {
-    return [self tokenField:self displayStringForRepresentedObject:[_cachedCompletions objectAtIndex:row]];
+    return [_cachedCompletions objectAtIndex:row];
 }
 
 - (void)tableViewSelectionDidChange:(CPNotification)notification