Remove discard command tuning

Signed-off-by: Jaegeuk Kim <[email protected]>
Change-Id: If1d6b52aea4d8d2cfb3bdae94d7f00ac29e9c9a4

init.hardware.rc

@@ -464,10 +464,6 @@ on property:init.svc.vendor.charger=running
 on property:sys.boot_completed=1
     setprop vendor.setup.power 1
 
-    # Block layer tuning: discard chunk size up to 128MB
-    # Otherwise, contiguous discards can be merged
-    write /sys/block/sda/queue/discard_max_bytes 134217728
-
     # Back to default VM settings
     write /proc/sys/vm/dirty_expire_centisecs 3000
     write /proc/sys/vm/dirty_background_ratio 10

init.recovery.device.rc

@@ -8,7 +8,3 @@ on init
     write /sys/module/msm_poweroff/parameters/warm_reset 1
     # Enable thermal mitigation
     write /sys/devices/virtual/thermal/tz-by-name/backup-charge/mode enabled
-
-    # Block layer tuning: discard chunk size up to 128MB
-    # Otherwise, contiguous discards can be merged
-    write /sys/block/sda/queue/discard_max_bytes 134217728