Rename with/without-narrowing to with/without-restriction

Rename with/without-narrowing to with/without-restriction

* doc/lispref/commands.texi:
* doc/lispref/display.texi:
* doc/lispref/positions.texi:
* etc/NEWS:
* lisp/subr.el:
* src/buffer.c:
* src/editfns.c:
* src/keyboard.c:
* src/xdisp.c:
* test/src/buffer-tests.el: Rename with-narrowing and
without-narrowing to with-restriction and without-restriction.
Likewise with internal--with-narrowing and
internal--without-narrowing.  All callers and documentation
changed.