Revert "ancora_defconfig: Compile TUN as module"

If you compile it built-in, users complain it doesn't work.
If you compile it as module, users complain it doesn't work.

Fuck it, and keep it as it was.

This reverts commit 60b6f8344b1753b5b50d15f5eb13c3147e48bf55.
Merge branch 'cm-10.2' of git://github.com/arco/samsung-kernel-msm7x30 into cm-10.2