DBZ-1549 Remove PostGIS dependency

Author: jpechane

Makefile

@@ -4,13 +4,8 @@ EXTENSION = decoderbufs
 PROTOBUF_C_CFLAGS = $(shell pkg-config --cflags 'libprotobuf-c >= 1.0.0')
 PROTOBUF_C_LDFLAGS = $(shell pkg-config --libs 'libprotobuf-c >= 1.0.0')
 
-ifneq ($(USE_POSTGIS),false)
-C_PARAMS = -DUSE_POSTGIS
-POSTGIS_C_LDFLAGS = -L/usr/local/lib -llwgeom
-endif
-
 PG_CPPFLAGS += -std=c11 $(PROTOBUF_C_CFLAGS) -I/usr/local/include $(C_PARAMS)
-SHLIB_LINK  += $(PROTOBUF_C_LDFLAGS) $(POSTGIS_C_LDFLAGS)
+SHLIB_LINK  += $(PROTOBUF_C_LDFLAGS)
 
 OBJS = src/decoderbufs.o src/proto/pg_logicaldec.pb-c.o