Updates vim: 53e4c8b Updates NERDTree mappings

diff --git a/modules/vim b/modules/vim
index 077b5fcda0b587f6db3ee707e6fa4e4bfb85d43d..53e4c8ba6a808bf41dd3b93c0bc759c8544cb642 160000 (submodule)
--- a/modules/vim
+++ b/modules/vim
@@ -1 +1 @@
-Subproject commit 077b5fcda0b587f6db3ee707e6fa4e4bfb85d43d
+Subproject commit 53e4c8ba6a808bf41dd3b93c0bc759c8544cb642