memory: remove lmkd properties

* These were added years ago when userspace low memory killer daemon
  was introduced. For most part these match the defaults and ones that
  dont't, shouldn't be set on Android R and above.
  https://android.googlesource.com/platform/system/memory/lmkd/+/refs/tags/android-15.0.0_r20/README.md
  cc5d2cca25

vendor.prop

@@ -57,18 +57,6 @@ ro.hardware.vulkan=broadcom
 ro.opengles.version=196609
 vendor.hwc.drm.ctm=DRM_OR_IGNORE
 
-# LMKD
-ro.lmk.critical=0
-ro.lmk.critical_upgrade=false
-ro.lmk.downgrade_pressure=100
-ro.lmk.kill_heaviest_task=true
-ro.lmk.kill_timeout_ms=100
-ro.lmk.log_stats=true
-ro.lmk.low=1001
-ro.lmk.medium=800
-ro.lmk.upgrade_pressure=100
-ro.lmk.use_minfree_levels=true
-
 # Lockscreen
 ro.lockscreen.disable.default=true