Remove confusing submodule thing

diff --git a/guessture b/guessture
deleted file mode 160000 (submodule)
index b5979fa..0000000
--- a/guessture
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit b5979fa52ad017c1d5853cd533024364e967c4e2