Revert using script to start hugo server

Let's do as before since the script fail to work after a running for a
while:

Watching for changes in
/docs/{archetypes,content,layouts,static,themes}
Watching for config changes in docs/config.toml
Environment: "development"
Serving pages from memory
Running in Fast Render Mode. For full rebuilds on change: hugo server
--disableFastRender
Web Server is available at //localhost:1313/ (bind address 127.0.0.1)
Press Ctrl+C to stop

Change detected, rebuilding site.
2025-03-11 11:24:35.657 +0100
Source changed "docs/content/docs/guide/running.md": WRITE
make: *** [Makefile:196: dev-docs] Error 141

Signed-off-by: Chmouel Boudjnah <chmouel@redhat.com>

Author: chmouel

Makefile

@@ -192,8 +192,13 @@ download-hugo: ## Download hugo software
 
 .PHONY: dev-docs
 dev-docs: download-hugo ## preview live your docs with hugo
-	@echo "Starting hugo development server"
-	./hack/start-hugo-dev-server.sh $(HUGO_BIN) server -s docs/
+	@$(HUGO_BIN) server -s docs/ &
+	@echo "Sleeping for 2s....";sleep 2 ; \
+	if type -p xdg-open 2>/dev/null >/dev/null; then \
+		xdg-open http://localhost:1313; \
+	elif type -p open 2>/dev/null >/dev/null; then \
+		open http://localhost:1313; \
+	fi
 
 ##@ Misc