vs920: init: Fix WiFi

These lines are from the original vendor rc-files.  They are not needed
and they are incompatible with recent init.rc and selinux chnages.

Credit to Blake Leeper for finding and fixing this.

Change-Id: If4b143714d74364c34d7378d0725df1fa7229354
Merge branch 'cm-11.0' of https://github.com/CyanogenMod/android_device_lge_vs920 into cd-4.4