* mime-pgp.el: Add autoload for `pgg-decrypt-region',

* mime-pgp.el: Add autoload for `pgg-decrypt-region',
`pgg-verify-region', `pgg-snarf-keys-region'.
(mime-view-application/pgp): Don't use `pgp-function'.
(mime-verify-application/pgp-signature): Ditto.
(mime-add-application/pgp-keys): Ditto.
(mime-pgp-command): Abolish.
(mime-pgp-default-language): Abolish.
(mime-pgp-good-signature-regexp-alist): Abolish.
(mime-pgp-key-expected-regexp-alist): Abolish
(mime-pgp-check-signature): Abolish.

* semi-def.el (pgp-function-alist): Abolish.
(pgp-function): Abolish.

* mime-edit.el: Add autoload for `pgg-encrypt-region',
`pgg-sign-region', `pgg-insert-key'.
(mime-edit-sign-pgp-mime): Throw an error when
`pgg-sign-region' returns nil; don't use `pgp-function'.
(mime-edit-encrypt-pgp-mime): Throw an error when
`pgg-encrypt-region' returns nil; don't use `pgp-function'.
(mime-edit-sign-pgp-kazu): Don't use `pgp-function'.
(mime-edit-encrypt-pgp-mime): Ditto.