m8: Properly configure WCNSS

 * Use configurations from stock ROM and put files in the correct plase
 * Don't do redundant configurations during boot, wcnss-service does
   stuff for us.

Change-Id: Ia5162f825ec1daba278f656f027d7ab920b675e7
(cherry picked from commit ec80985cdddd9138ff4ffa00feb2e9b439a9530e)