remove redundent code

hbd/http.py

@@ -131,13 +131,6 @@ async def start(
             out.append(f"update started for {n}: {err if err else 'OK'}")
         return web.Response(text="\n".join(out))
 
-    async def restart(request):
-        # signal main application to perform restart if needed
-        # not implemented here - return OK
-        if log:
-            log(None, "restart request")
-        return web.Response(text="restart request")
-
     async def live(request):
         # render template from hbd/templates/live.html using Jinja2
         # Resolve templates directory relative to the hbd package
@@ -200,7 +193,6 @@ async def start(
             web.get("/d", drop),
             web.get("/n", register),
             web.get("/u", update),
-            web.get("/r", restart),
             web.get("/live", live),
             web.get("/static/{path:.*}", static),
             web.get("/favicon.ico", favicon),