Rename variables from the temporary names used during NODES conversion, and remove the temporary ones.
Rename variables from the temporary names used during NODES conversion,
and remove the temporary ones.

* subversion/libsvn_wc/wc_db.c
  (scan_upwards_for_repos, insert_base_node,
   insert_incomplete_working_children, insert_working_node,
   which_trees_exist, prop_upgrade_trees, svn_wc__db_base_get_info,
   svn_wc__db_base_get_props, svn_wc__db_pristine_remove,
   svn_wc__db_read_info, svn_wc__db_read_pristine_props,
   commit_node, determine_repos_info, svn_wc__db_scan_addition,
   svn_wc__db_scan_deletion, svn_wc__db_upgrade_apply_dav_cache,
   svn_wc__db_node_hidden, make_copy_txn, get_copyfrom,
   svn_wc__db_temp_elide_copyfrom, svn_wc__db_temp_get_file_external,
   svn_wc__db_temp_set_file_external): Rename/remove variables.

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