remove the rest of the badle merged target

Makefile

@@ -43,12 +43,6 @@ docs-schema-html: docs-schema-ready ## Convert Galaxy Tool XSD Markdown docs int
 open-docs-schema: docs-schema-html ## Open HTML generated from Galaxy Tool XSD.
 	$(OPEN_RESOURCE) $(DOCS_DIR)/schema.html
 
-ready-slides:
-	test -f plantuml.jar ||  wget http://jaist.dl.sourceforge.net/project/plantuml/plantuml.jar
-	java -jar plantuml.jar -c $(DOC_SOURCE_DIR)/slideshow/galaxy_architecture_2015/images/plantuml_options.txt -tsvg $(DOC_SOURCE_DIR)/slideshow/galaxy_architecture_2015/images/ *.plantuml.txt
-
-	$(IN_VENV) python scripts/slideshow/build_slideshow.py 'Galaxy Architecture' doc/source/slideshow/galaxy_architecture_2015/galaxy_architecture_2015.md
-
 _open-docs:
 	$(OPEN_RESOURCE) $(DOCS_DIR)/_build/html/index.html