More small edits for doc/lispref/minibuf.texi

More small edits for doc/lispref/minibuf.texi

* doc/lispref/minibuf.texi (Object from Minibuffer):
Remove overly pedantic paragraph.
(Minibuffer History): Copyedits.  Add face-name-history.
(Initial Input, Yes-or-No Queries, Multiple Queries)
(Minibuffer Windows, Minibuffer Misc): Copyedits.
(Yes-or-No Queries): Tweak example.
(Minibuffer Commands): Add next-complete-history-element.
(Minibuffer Misc): Mention minibuffer-message-timeout, and
minibuffer-inactive-mode.

* doc/lispref/minibuf.texi (Minibuffers):
* doc/lispref/elisp.texi, doc/lispref/vol1.texi, doc/lispref/vol2.texi:
Fix minibuffer subsection order.

* lisp/subr.el: Comment.