batman-adv: Fix a few things.

This...

  - Removed $pkgname (evil).
  - Fixes merge errors.
  - Removes the install file from source (doesn't have to be there).
Removed [bluemaho] due to being unsupported and have unsupported deps
Pull fix
Merge branch 'master' of https://github.com/izx64/blackarchlinux into unstable
Revert "Removed [bluemaho] due to being unsupported and have unsupported deps"

This reverts commit d69312acd25fb1800101cbd33ecc13d73f557edc.

Although this is broken and unmaintained, it is still useful.