model compile test should not print out everything...

scripts/test_model_compile.py

@@ -1,4 +1,4 @@
 import sys
 sys.path.append("interface/HUTN/")
 from hutn_compiler.compiler import main as compile_code
-print(compile_code(sys.argv[1], "interface/HUTN/grammars/modelling.g", "M", []))
+compile_code(sys.argv[1], "interface/HUTN/grammars/modelling.g", "M", [])