Remove some autoloads and clean up code.

Remove some autoloads and clean up code.

* org.el (turn-on-orgtbl): Moved here from org-table.el.
(org-clock-persistence-insinuate): Moved here from org-clock.el.
(org-update-all-dblocks, org-map-entries)
(org-require-autoloaded-modules, org-forward-element)
(org-backward-element, org-up-element)
(org-element-greater-elements, org-drag-element-backward)
(org-drag-element-forward, org-mark-element)
(org-narrow-to-element, org-transpose-element)
(org-unindent-buffer): Don't autoload.

* org-clock.el (org-clock-get-clocktable): Rename from
`org-get-clocktable'.
(org-clock-persistence-insinuate): Move to org.el.

* org-capture.el: Do no set `generated-autoload-file' locally.
Minor code clean up.

* org-agenda.el (org-agenda-list): Use
`org-clock-get-clocktable'.  Do no set
`generated-autoload-file' locally.

* org-table.el (org-table-iterate-buffer-tables): Minor
reformatting.
(turn-on-orgtbl): Move to org.el.

* org-html.el (org-export-htmlize-generate-css): Don't autoload.

* org-timer.el (org-timer-pause-or-continue, org-timer-stop):
Ditto.

* ob-tangle.el (org-babel-tangle-lang-exts): Ditto.

* ob-lob.el (org-babel-lob-ingest): Ditto.

* org-id.el (org-id-copy)
(org-id-get-with-outline-path-completion)
(org-id-get-with-outline-drilling): Ditto.

* org-lparse.el (org-lparse-and-open, org-lparse-batch)
(org-lparse-to-buffer, org-replace-region-by)
(org-lparse-region): Ditto.

* org-mobile.el (org-mobile-create-sumo-agenda): Ditto.