CrealityPrint: remove hardcoded :4408 from Device WebView URL (#14326)

* CrealityPrint: use printhost_port for WebView URL instead of hardcoded :4408

Fixes #4408 — when printhost_port is configured, use that port in the
Device WebView URL instead of always defaulting to :4408.

* CrealityPrint: remove hardcoded :4408 from Device WebView URL

Drop the CrealityPrint-specific get_print_host_webui override that
unconditionally appended :4408. The generic fallback in PrintHost
already uses print_host_webui/print_host config — users who need
Mainsail on port 4408 should set print_host_webui explicitly.

Fixes #4408

src/slic3r/Utils/PrintHost.cpp

@@ -92,10 +92,6 @@ std::string PrintHost::get_print_host_webui(DynamicPrintConfig* config)
         webui_url = ElegooLink::get_print_host_webui(config);
         break;
     }
-    case htCrealityPrint: {
-        webui_url = CrealityPrint::get_print_host_webui(config);
-        break;
-    }
     default: break;
     }