fix comment sorter
background: we have a flat hierarchy of comments, not a tree. therefore we
can also remove again the unnecessary additions.
Signed-off-by: 
Arthur Schiwon <blizzz@arthur-schiwon.de>
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background: we have a flat hierarchy of comments, not a tree. therefore we
can also remove again the unnecessary additions.
Signed-off-by: Arthur Schiwon <blizzz@arthur-schiwon.de>