vlr_core.h: remove duplicate declarations

Remove vlr_subscr_name() and vlr_subscr_alloc() declarations from
vlr_core.h, as they are already defined in osmocom/msc/vlr.h and vlr.h
gets included on top of vlr_core.h.

Change-Id: I5c029be490577b513395dc3f2c2698f365157e73
1 file changed