rm lua

diff --git a/src/lib/lua b/src/lib/lua
deleted file mode 160000 (submodule)
index 96245ac..0000000
--- a/src/lib/lua
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 96245accd1539c8bb0d8be310eaa9cf5fbab9fed