land: Remove broken zRAM config

Will revisit.
Most likely MIUI's 'memory optimizations' do this
instead of using the traditional init scripts.

Change-Id: Ie168d05fa3f9fd1f5d2d995559a0bcc5cb2745d5

product/zram.mk

@@ -1,3 +0,0 @@
-# ZRAM
-PRODUCT_PROPERTY_OVERRIDES += \
-    ro.config.zram=true

rootdir/init.qcom.power.rc

@@ -134,8 +134,5 @@ on enable-low-power
 on property:sys.boot_completed=1
     trigger enable-low-power
 
-    swapon_all fstab.qcom
-    write /proc/sys/vm/swappiness 100
-
 on charger
     trigger enable-low-power