remove control of HAL CD polling

HAL is being removed from all current distributions, including Fedora.

Resolves: #710920

tune-profiles/functions

@@ -262,25 +262,6 @@ disable_snd_ac97_powersave() {
 	_snd_ac97_powersave N
 }
 
-#
-# CD DRIVES tuning
-#
-
-_cd_polling() {
-	[ "$1" == "1" ] && opts=--enable-polling || opts=
-
-	cddrives=$(command ls -1 /dev/scd* 2>/dev/null)
-	for i in $cddrives; do hal-disable-polling $opts --device $(readlink -f $i); done &>/dev/null
-}
-
-enable_cd_polling() {
-	_cd_polling 1
-}
-
-disable_cd_polling() {
-	_cd_polling 0
-}
-
 #
 # SOFTWARE tuning
 #

tune-profiles/laptop-battery-powersave/ktune.sh

@@ -8,7 +8,6 @@ start() {
 	enable_cpu_multicore_powersave
 	set_cpu_governor ondemand
 	enable_snd_ac97_powersave
-	disable_cd_polling
 	enable_wifi_powersave
 
 	return 0
@@ -20,7 +19,6 @@ stop() {
 	disable_cpu_multicore_powersave
 	restore_cpu_governor
 	enable_snd_ac97_powersave
-	enable_cd_polling
 	disable_wifi_powersave
 
 	return 0

tune-profiles/server-powersave/ktune.sh

@@ -4,14 +4,12 @@
 
 start() {
 	set_disk_alpm min_power
-	disable_cd_polling
 
 	return 0
 }
 
 stop() {
 	set_disk_alpm max_performance
-	enable_cd_polling
 
 	return 0
 }

tune-profiles/spindown-disk/ktune.sh

@@ -10,7 +10,6 @@ start() {
 	set_disk_spindown 6
 
 	enable_usb_autosuspend
-	disable_cd_polling
 	disable_bluetooth
 	enable_wifi_powersave
 	disable_logs_syncing