[git] rm submodule cache

diff --git a/var b/var
deleted file mode 160000 (submodule)
index 747179d..0000000
--- a/var
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 747179d0d00e30e036af23f5a158e4c5e22c1b1e