install.sh: remove git submodule init

.roaming/install.sh

@@ -1,13 +1,11 @@
 #!/bin/sh
-cd
+cd || exit
 export GIT_DIR="./.dotfiles"
 export GIT_WORK_TREE="."
 git init
 git remote add origin https://git.pleasantprogrammer.com/thatsmydoing/dotfiles.git
 git fetch
 git checkout -ft origin/master
-git submodule init
-git submodule update
 
 # create vim state folders
 mkdir -p .cache/vim/undo