help: remove repeated word in 'hg help rebase'
Specifically, the second 'with' in 'with which to merge with'.
Differential Revision: https://phab.mercurial-scm.org/D6483
--- a/mercurial/commands.py Mon Jun 10 15:35:06 2019 -0700
+++ b/mercurial/commands.py Fri May 31 10:12:56 2019 -0700
@@ -3991,7 +3991,7 @@
If no revision is specified, the working directory's parent is a
head revision, and the current branch contains exactly one other
head, the other head is merged with by default. Otherwise, an
- explicit revision with which to merge with must be provided.
+ explicit revision with which to merge must be provided.
See :hg:`help resolve` for information on handling file conflicts.