tests/test-mq-symlinks.out

mq: really remove undo after a qpush (and after a strip)

For qpush, removeundo has to be called after the transaction has finished.

strip may use unbundle, which also leaves an undo file.

Fixes issue780.

a -> a not a symlink
a -> b
Now at: base.patch
applying symlink.patch
Now at: symlink.patch
a -> b