Make would not run if the directory already exists

So we would only get to this step if the directory is not there, so removing it would always be a NO-OP.

webapp/Makefile

@@ -46,14 +46,9 @@ composer-dump-autoload-dev:
 public/bundles/nelmioapidoc:
 # We can not use bin/console here, as when using a fakeroot,
 # the include paths are broken. We just copy in the data we need
-	-rm -rf $@
 	mkdir -p $@
 	cp -a vendor/nelmio/api-doc-bundle/public/* $@
 
-#	-rm -rf public/bundles/nelmioapidoc
-#	mkdir -p public/bundles/nelmioapidoc
-#	cp -a vendor/nelmio/api-doc-bundle/public/* public/bundles/nelmioapidoc/
-
 clean-l:
 	-rm -rf public/bundles/nelmioapidoc
 	-rm -f vendor/autoload_runtime.php