merge: don't bail on outstanding changes

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merge: don't bail on outstanding changes

With multiple heads, we don't need to worry about the working dir's
uncommitted changes at pull time

manifest hash: 5b4e024f220fa616732310ce5f48e71abfa910e0
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hg

@@ -356,11 +356,6 b' elif cmd == "debugindexdot":'
     print "}"
 
 elif cmd == "merge":
-    (c, a, d, u) = repo.diffdir(repo.root, repo.current)
-    if c or a or d:
-        ui.warn("aborting (outstanding changes in working directory)\n")
-        sys.exit(1)
-
     if args:
         paths = {}
         try: