So far I've only been able to delete Wiki pages directly from the database. The steps are:
1. Determine the Wiki ID in the project_wiki table;
2. Remove any related versions/rows from the project_wiki_version table;
3. Remove the wiki row from project_wiki table.
Is there a better method than this for removing wiki pages so the don't show up in the index? Is this method safe, or might it break other functions?