bug#2675: 23.0.91; unnecessary vc-next-action conflicts in vc-dir directory

[Stefan Monnier]

> Then hitting "v" on the first line of the buffer gives the following error:

>From where I stand, the problem is the use of `v' in vc-dir.  While the
concept of "next-action" might make sense for single files, it's not
nearly as useful for vc-dir, especially since vc-dir has a lot of free
key-bindings, so it can easily use separate bindings for
commit/checkout/merge/...


        Stefan