libnetservices.a: move BGeoLocation from libshared.a

The BGeolocation class uses the network interface in libnetservices.a, so it
is moved here for now.

This will break any out of tree projects that depend on it, but it is a source
incompatible change only.

Change-Id: I6f5b1332eb87ad37dd33fbe09fdb11b16f7f26e4
Reviewed-on: https://review.haiku-os.org/c/haiku/+/3670
Reviewed-by: Adrien Destugues <pulkomandy@gmail.com>