belated update of killrecording

.scripts/killrecording

@@ -1,9 +1,7 @@
-#!/bin/bash
-# I'm not quite sure why, but a new non-recording instance of ffmpeg will start after
-# being killed the first time, so the core command here runs twice after a break.
-pkill -P $(pgrep -x screencast\|audio\|video) 2>/dev/null && sleep .5 &&
-pkill -P $(pgrep -x screencast\|audio\|video) 2>/dev/null
+#!/bin/sh
+
+killall -e screencast audio video
 
 # Update i3bar.
-echo "" > ~/.scripts/.recording
+echo "" > ~/.recordingicon
 pkill -RTMIN+9 i3blocks