Fish: remove more unused functions

.config/fish/functions/ding.fish

@@ -1,4 +0,0 @@
-# Defined in /tmp/fish.Lg7kpa/ding.fish @ line 2
-function ding
-	$argv; notify-send (basename $argv)\ is\ done
-end

.config/fish/functions/ffd.fish

@@ -1,3 +0,0 @@
-function ffd -w ff
-	ff -t d $argv
-end

.config/fish/functions/keybinds.fish

@@ -1,4 +0,0 @@
-function keybinds
-	funced fish_user_key_bindings
- funcsave fish_user_key_bindings
-end

.config/fish/functions/kj.fish

@@ -1,3 +0,0 @@
-function kj
-	kill -9 (jobs -p | grep -v Process)
-end

.config/fish/functions/murder.fish

@@ -1,3 +0,0 @@
-function murder -w killall
-	killall $argv -s SIGKILL
-end

.config/fish/functions/sumurder.fish

@@ -1,3 +0,0 @@
-function sumurder -w killall
-	s killall $argv -s SIGKILL
-end

.config/fish/functions/ydl4.fish

@@ -1,3 +0,0 @@
-function ydl4 -w ydl
-	ydl --format mp4 $argv;
-end