Revert "msm8960-common: copy wpa_supplicant config in common"

This template has identical settings to the default template.

This reverts commit e18ba0838edbc0a804615319c2de4beebfac080c.

Change-Id: I6b11d5e2ff187e763ce5cf64a65f1618621fa5e8
Merge branch 'cm-11.0' of https://github.com/CyanogenMod/android_device_htc_msm8960-common into kk_mkt