Remove whitespaces from apn type parameters

Reportedly Free Mobile users must edit their APN and remove whitespaces to make it work. I searched and fixed the other ", " occurrences too while I was at it.

Change-Id: Ib948dff8329653c42c967c4dae5a6e97086df127
Merge "Remove whitespaces from apn type parameters" into cm-10.1
cm: cleanup

- remove SpareParts: it's disabled and broken, the options it provides
  are either useless/broken or available in development settings

- remove modelid_cfg.sh: no devices are using this any more

- remove opticharger: it's not used any more

Change-Id: I68c86b2407486c4b40998288cf1f70b7cb8170f4
Merge remote-tracking branch 'upstream/cm-10.1' into cm-10.1