manager: Drop wiki page updates

Let's focus on the dot-based total tree

techtree-manager/src/main.rs

@@ -74,6 +74,7 @@ async fn run() -> anyhow::Result<()> {
         .await
         .context("Failed to render and publish the techtree to git")?;
 
+    if false {
         let mermaid = tree.to_mermaid(&repo_url.to_string());
         let wiki_text = format!(
             r##"This page is automatically updated to show the latest and greatest FAFO techtree:
@@ -92,6 +93,7 @@ async fn run() -> anyhow::Result<()> {
         )
         .await
         .context("Failed to update the techtree wiki page")?;
+    }
 
     'issues: for issue in tree.iter_issues() {
         let subtree = tree.subtree_for_issue(issue).unwrap();