fix: remove duplicate tactic files from src/hpc/ (live in styles/)

https://claude.ai/code/session_01M3at4EuHVvQ8S95mSnKgtK

Author: claude

src/hpc/metacog.rs

@@ -138,6 +138,10 @@ pub mod layered_distance;
 #[allow(missing_docs)]
 pub mod parallel_search;
 
+#[allow(missing_docs)]
+#[allow(missing_docs)]
+#[allow(missing_docs)]
+
 // ZeckF64 progressive edge encoding + batch/top-k
 #[allow(missing_docs)]
 pub mod zeck;