Fix some Org errors revealed by `make check-declare'.

Fix some Org errors revealed by `make check-declare'.

* ob.el (tramp-compat-make-temp-file, org-edit-src-code)
(org-entry-get, org-table-import): Fix declarations.
(org-match-string-no-properties): Remove declaration.
* ob-sh.el (org-babel-comint-in-buffer)
(org-babel-comint-wait-for-output, org-babel-comint-buffer-livep)
(org-babel-comint-with-output): Remove unnecessary declarations.
* ob-R.el (orgtbl-to-tsv): Fix declaration.
* org-list.el (org-entry-get): Fix declaration.