Replace glom_graph.py with rdfpipe

This is a downstream application of the intent of UCO Issue 424,
removing an early implementation of glom_graph.

References:
* ucoProject/UCO#424

Signed-off-by: Alex Nelson <[email protected]>

Author: ajnelson-nist

tests/case_utils/case_file/Makefile

@@ -61,15 +61,15 @@ kb.json: \
 	mv _$@ $@
 
 kb.ttl: \
-  $(tests_srcdir)/src/glom_graph.py \
   sample.txt.ttl \
   sample.txt-disable_hashes.ttl \
   sample.txt-nocompact.json
 	source $(tests_srcdir)/venv/bin/activate \
-	  && python3 $(tests_srcdir)/src/glom_graph.py \
-	    __$@ \
+	  && rdfpipe \
+	    --output-format turtle \
 	    sample.txt.ttl \
-	    sample.txt-disable_hashes.ttl
+	    sample.txt-disable_hashes.ttl \
+	    > __$@
 	java -jar $(RDF_TOOLKIT_JAR) \
 	  --infer-base-iri \
 	  --inline-blank-nodes \