Remove access batons from client commit code.
Remove access batons from client commit code.

* subversion/libsvn_client/commit.c
  (struct check_dir_delete_baton): Remove access baton.
  (check_nonrecursive_dir_delete): Check locks instead of access batons.
  (svn_client_commit4): Acquire and release locks instead of access batons.

jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion