chore: remove dead Caddyfile

Caddyfile

@@ -1,11 +0,0 @@
-:8088 {
-	# WebSocket to ttyd: strip /terminal prefix so /terminal/ws reaches ttyd's /ws endpoint.
-	# ttyd only registers the 'tty' WebSocket protocol handler at /ws — not at /terminal/ws.
-	# handle + uri strip_prefix rewrites /terminal/ws → /ws before the reverse_proxy sees it.
-	handle /terminal/* {
-		uri strip_prefix /terminal
-		reverse_proxy localhost:7682
-	}
-	# All other requests (static files, API) → coordinator (port 8099)
-	reverse_proxy * localhost:8099
-}