* lisp/emacs-lisp/edebug.el: Tweak last change

* lisp/emacs-lisp/edebug.el: Tweak last change

Use generic functions i.s.o `edebug--spec-op-function`.

<toplevel>: No need to register the &foo and :foo handler any more.
(edebug--handle-&-spec-op, edebug--handle-:-spec-op): New generic functions.
(edebug-match-specs): Use them.
(edebug--get-spec-op): Remove function.
(edebug-match-&optional, edebug-match-&rest, edebug-match-&or)
(edebug-match-&not, edebug-match-&key, edebug-match-&error)
(edebug-match-&define): Turn functions into methods of
`edebug--handle-&-spec-op`.
(edebug-match-:name, edebug-match-:unique): Turn functions into methods of
`edebug--handle-:-spec-op`.