Revert "Use delta as git diff pager"

This reverts commit b37187f79e.

git/.config/git/config

@@ -4,7 +4,6 @@
 	signingkey = 9893DA236405AF57
 [core]
 	excludesfile = /home/coolneng/.config/git/global_gitignore
-    pager = delta
 [credential]
 	helper = !pass-git-helper $@
 [commit]
@@ -18,12 +17,8 @@
 [filter "git-ignore-line.sh"]
 	clean = /home/coolneng/.dotfiles/scripts/.local/share/scripts/git-ignore-line.sh
 	smudge = cat
-[interactive]
-    diffFilter = delta --color-only
 [add.interactive]
     useBuiltin = false # required for git 2.37.0
-[delta]
-    navigate = true    # use n and N to move between diff sections
 [merge]
     conflictstyle = diff3
 [diff]

kitty/.config/kitty/kitty.conf

@@ -994,4 +994,3 @@ confirm_os_window_close 0
 
 
 
-

scripts/.local/share/scripts/switch-theme

@@ -5,20 +5,11 @@ capitalize() {
 	printf '%s' "$1" | tail -c '+2'
 }
 
-modify_delta() {
-	if [ "$1" = "light" ]; then
-		sed -e "s/light = false/light = true/" -e "s/OneHalfDark/OneHalfLight/" -i ~/.config/git/config
-	else
-		sed -e "s/light = true/light = false/" -e "s/OneHalfLight/OneHalfDark/" -i ~/.config/git/config
-	fi
-}
-
 change_theme() {
 	sed -i "s/iceberg_$1/iceberg_$2/" ~/.config/kitty/kitty.conf
 	sed -i "s/bg=$1/bg=$2/" ~/.config/nvim/init.vim
 	sed -i "s/iceberg_$1/iceberg_$2/" ~/.dotfiles/tmux/.tmux.conf
 	sed -i "s/iceberg_$1/iceberg_$2/" ~/.config/zathura/zathurarc
-	modify_delta "$2"
 	kitty +kitten themes --reload-in=all "Iceberg $(capitalize "$2")"
 	tmux source-file ~/.tmux.conf
 	nvr --remote-send ":source ~/.config/nvim/init.vim <CR> :set nonumber <CR> :set norelativenumber <CR>"