Remove cedet items obsolete since 23.2

Remove cedet items obsolete since 23.2

* lisp/cedet/semantic.el (semantic-toplevel-bovine-table)
(semantic-toplevel-bovine-cache)
(semantic-before-toplevel-bovination-hook)
(semantic-after-toplevel-bovinate-hook, semantic-init-hooks)
(semantic-init-mode-hooks, semantic-init-db-hooks)
(semantic-bovination-working-type, semantic-bovinate-toplevel)
(semantic-bovinate-region-until-error)
(semantic-bovinate-from-nonterminal-full):
* lisp/cedet/semantic/db-mode.el (semanticdb-mode-hooks):
* lisp/cedet/semantic/decorate/mode.el
(semantic-decorate-pending-decoration-hooks):
* lisp/cedet/semantic/edit.el
(semantic-edits-incremental-reparse-failed-hooks):
* lisp/cedet/semantic/fw.el (define-mode-overload-implementation):
* lisp/cedet/semantic/idle.el
(semantic-before-idle-scheduler-reparse-hooks)
(semantic-after-idle-scheduler-reparse-hooks):
(semantic-eldoc-current-symbol-info)
* lisp/cedet/semantic/imenu.el (semantic-imenu-expand-type-parts)
(semantic-imenu-bucketize-type-parts)
(semantic-imenu-expandable-token):
* lisp/cedet/semantic/java.el
(semantic-java-prototype-nonterminal):
* lisp/cedet/semantic/lex.el (semantic-flex-token-start)
(semantic-flex-token-end, semantic-flex-token-text)
(semantic-flex-make-keyword-table, semantic-flex-keyword-p)
(semantic-flex-keyword-put, semantic-flex-keyword-get)
(semantic-flex-map-keywords, semantic-flex-keywords)
(semantic-flex-buffer, semantic-flex-list, semantic-flex):
* lisp/cedet/semantic/tag-file.el (semantic-find-nonterminal)
(semantic-find-dependency):
* lisp/cedet/semantic/tag-ls.el (semantic-nonterminal-full-name)
(semantic-nonterminal-protection, semantic-nonterminal-abstract)
(semantic-nonterminal-leaf):
* lisp/cedet/semantic/tag.el (semantic-token-type-parent)
(semantic-tag-make-assoc-list, semantic-expand-nonterminal):
* lisp/cedet/semantic/util.el (semantic-file-token-stream)
(semantic-something-to-stream):
* lisp/cedet/semantic/wisent.el (wisent-lex-make-token-table):
Delete many items obsolete since Emacs 23.2.
* lisp/cedet/semantic.el (semantic--set-buffer-cache)
(semantic-fetch-tags): Don't run removed hooks
'semantic-after-toplevel-bovinate-hook' and
'semantic-before-toplevel-bovination-hook'.
* lisp/cedet/semantic/bovine/el.el: Remove reference to obsolete
variable 'define-mode-overload-implementation'.
* lisp/cedet/semantic/doc.el (semantic-doc-snarf-comment-for-tag):
Don't bind removed variable 'semantic-ignore-comments'.
* lisp/cedet/semantic/fw.el (semantic-overload-symbol-from-function)
(semantic-alias-obsolete, semantic-varalias-obsolete): Declare
obsolete in favor of standard Emacs 'define-obsolete-*-alias'.
* lisp/cedet/semantic/grammar.el (semantic-grammar-ASSOC): Don't
use obsolete names.
* lisp/cedet/semantic/tag-ls.el (semantic-tag-full-package)
(semantic-tag-full-name): Doc fixes.
* lisp/cedet/semantic/util.el (semantic-describe-buffer): Don't bind
removed variable 'semantic-after-toplevel-bovinate-hook'.
* lisp/cedet/semantic/lex.el (semantic-flex-tokens)
(semantic-flex-unterminated-syntax-end-function)
(semantic-flex-extensions, semantic-flex-syntax-modifications)
(semantic-ignore-comments, semantic-flex-enable-newlines)
(semantic-flex-enable-whitespace, semantic-flex-enable-bol)
(semantic-number-expression, semantic-flex-depth): Make unused
variables obsolete.
; * etc/NEWS: List removed items.