Revert "call require_event from create_view_page"

This reverts commit 3b055c2d8479e858e167cf7f71ca47a949648ebb.
Revert "call require_schedule from create_view_page function"

This reverts commit 6fea2cd0c3cebf3ed7b8b9edd12e6c4c590db7e0.
Revert "call require_user in trash create_page function"

This reverts commit d3524d1338bb8ee9da2492c9bbdf5f1ab5b13eed.