Prefer Lisp version of describer in help--describe-vector

* src/keymap.c (Fhelp__describe_vector):
* lisp/help.el (describe-map): Use Lisp versions of describe_command
and describe_translation.
* src/keymap.c (describe_command, describe_translation): Remove.
(describe_vector_basic): New function.
2 jobs for scratch/substitute-command-keys in 56 minutes and 46 seconds (queued for 2 seconds)
latest
Status Job ID Name Coverage
  Test
passed #8338
test-filenotify-gio

00:56:46

passed #8339
test-gnustep

00:51:24