build-sys: always distribute systemd-consoled.service.in

Similar to how we handle other facilities that can be flagged out at
configure time, we should always distribute this input file.

http://lists.freedesktop.org/archives/systemd-devel/2014-December/026272.html
build-sys: fix distcheck

- fix misspelling in filename (intenal -> internal)
- remove deleted hwdb-related file (nuked with sd-hwdb refactor)