- Patch #68418 by Moshe et al: clean up node submit hooks.

modules/book/book.module

modules/comment/comment.module

modules/forum/forum.module

modules/menu/menu.module

modules/node/node.module

modules/path/path.module

modules/poll/poll.module

modules/statistics/statistics.module

modules/system/system.module

modules/taxonomy/taxonomy.module

modules/upload/upload.module