uid_auth_db: Makefile - remove internal libs compilation and linking

- libs are compiled in the core

src/modules/uid_auth_db/Makefile

@@ -8,6 +8,4 @@ auto_gen=
 NAME=uid_auth_db.so
 LIBS=
 
-SERLIBPATH=../../lib
-SER_LIBS+=$(SERLIBPATH)/srdb2/srdb2
 include ../../Makefile.modules