beni: cleanup

* Update cm.dependencies for 3.0 kernel
* Add lines for kernel 3.0 & ath6kl support (disabled)
* Remove code, config and properties that belong in shared config
* Remove obsolete/useless properties
* Remove obsolete wifi-related packages
* Add MMS profile for GT-S5670
* Remove ALL LDPI overlay; anything that needs to be restored
  belongs in ldpi-common

Change-Id: Ie17a19f525b4fb22a4f31d870901590d515a7b07