Updates vim: 7a8a48f Avoid autocmd spam

diff --git a/modules/vim b/modules/vim
index 7dedc657174479fa281b770f3d9b07fe202dbef2..7a8a48f3072c0124734573d42f525ca481a66ddd 160000 (submodule)
--- a/modules/vim
+++ b/modules/vim
@@ -1 +1 @@
-Subproject commit 7dedc657174479fa281b770f3d9b07fe202dbef2
+Subproject commit 7a8a48f3072c0124734573d42f525ca481a66ddd