Remove unneeded id setting on !SplitContainer's splitter's thumb, fixes #10813 !strict.
Remove unneeded id setting on !SplitContainer's splitter's thumb, fixes #10813 !strict.

git-svn-id: 674a2d6b1e32e53f607eb824547723f32280967e@21505 560b804f-0ae3-0310-86f3-f6aa0a117693

redaktor/deliteful