Updates dotfiles: 638943f Updates vim: ef4d8da Feat: buffer cleansing

diff --git a/dotfiles b/dotfiles
index f12156609b1318a86b5dac8b3313ab6e8b0acf37..638943fe2490727f9e3d4d8d55c2fa8726437ce5 160000 (submodule)
--- a/dotfiles
+++ b/dotfiles
@@ -1 +1 @@
-Subproject commit f12156609b1318a86b5dac8b3313ab6e8b0acf37
+Subproject commit 638943fe2490727f9e3d4d8d55c2fa8726437ce5