filemerge: remove the hgmerge script
This is now better handled using [merge-tools] and [merge-patterns] in hgrc.
adding src/a.c
moving src/a.c to source/a.c
1 files updated, 0 files merged, 1 files removed, 0 files unresolved
? src/a.o
merging src/a.c and source/a.c
1 files updated, 1 files merged, 0 files removed, 0 files unresolved
(branch merge, don't forget to commit)
M source/a.c
R src/a.c
? source/a.o