Remove unnecessary use of awk (#422)

Author: xx4h

segments/cpu.sh

@@ -15,7 +15,7 @@ run_segment() {
 	fi
 
 	if [ -n "$cpu_user" ] && [ -n "$cpu_system" ] && [ -n "$cpu_idle" ]; then
-		echo "${cpu_user}, ${cpu_system}, ${cpu_idle}" | awk -F', ' '{printf("%5.1f,%5.1f,%5.1f",$1,$2,$3)}'
+		printf "%5.1f, %5.1f, %5.1f" "${cpu_user}" "${cpu_system}" "${cpu_idle}"
 		return 0
 	else
 		return 1