db2_ops: Makefile - remove internal libs compilation and linking

- libs are compiled in the core

src/modules/db2_ops/Makefile

@@ -10,8 +10,4 @@ auto_gen=
 NAME=db2_ops.so
 LIBS=
 
-SERLIBPATH=../../lib
-SER_LIBS+=$(SERLIBPATH)/srdb2/srdb2
 include ../../Makefile.modules
-
-