Cleanup refrences leaks

Author: JoshInnis

Makefile

@@ -19,7 +19,6 @@ MODULE_big = postgraph
 
 OBJS = src/backend/postgraph.o \
        src/backend/access/vertex_heap/vertex_heapam_handler.o \
-       src/backend/access/vertex_heap/vertex_hash_search.o \
        src/backend/catalog/ag_catalog.o \
        src/backend/catalog/ag_graph.o \
        src/backend/catalog/ag_label.o \