build: nuke Makefile.include from orbit

Rules and targets no longer need to be shared between subdirectories, so
this is no longer needed.

src/Makefile.test.include

@@ -85,3 +85,19 @@ bitcoin_test_check: $(TEST_BINARY) FORCE
 
 bitcoin_test_clean : FORCE
 	rm -f $(CLEAN_BITCOIN_TEST) $(test_test_bitcoin_OBJECTS) $(TEST_BINARY)
+
+%.json.h: %.json
+	@$(MKDIR_P) $(@D)
+	@echo "namespace json_tests{" > $@
+	@echo "static unsigned const char $(*F)[] = {" >> $@
+	@$(HEXDUMP) -v -e '8/1 "0x%02x, "' -e '"\n"' $< | $(SED) -e 's/0x  ,//g' >> $@
+	@echo "};};" >> $@
+	@echo "Generated $@"
+
+%.raw.h: %.raw
+	@$(MKDIR_P) $(@D)
+	@echo "namespace alert_tests{" > $@
+	@echo "static unsigned const char $(*F)[] = {" >> $@
+	@$(HEXDUMP) -v -e '8/1 "0x%02x, "' -e '"\n"' $< | $(SED) -e 's/0x  ,//g' >> $@
+	@echo "};};" >> $@
+	@echo "Generated $@"