Deprecate 'read-no-blanks-input'

Deprecate 'read-no-blanks-input'

This function is unused in the Emacs tree, and it probably
shouldn't be used anywhere else, either.

* lisp/minibuffer.el (read-no-blanks-input): Turn it into an
obsolete alias of 'read-string'.
(self-insert-and-exit, minibuffer-local-ns-map): Deprecate.

* doc/emacs/custom.texi (Minibuffer Maps):
* doc/lispref/minibuf.texi (Text from Minibuffer)
(Minibuffer Commands): Update.

* lisp/calc/calc-store.el (calcVar-digit, calcVar-oper):
Avoid 'self-insert-and-exit'.

* test/src/minibuf-tests.el (test-inhibit-interaction):
Adjust.