(trivial) damage: fix missing removal of obsolete damageext.h
This file became obsolete with 33350ef8, but was forgotten to be removed.
Fixes: 33350ef8 Signed-off-by: Enrico Weigelt, metux IT consult info@metux.net
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This file became obsolete with 33350ef8, but was forgotten to be removed.
Fixes: 33350ef8 Signed-off-by: Enrico Weigelt, metux IT consult info@metux.net