add voice_call start_pa

flutter/lib/models/native_model.dart

@@ -136,9 +136,6 @@ class PlatformFFI {
           // Start a dbus service for uri links, no need to await
           _ffiBind.mainStartDbusServer();
         }
-        if (appType == kAppTypeConnectionManager) {
-          _ffiBind.mainStartPa();
-        }
       } else if (isMacOS && isMain) {
         // Start ipc service for uri links.
         _ffiBind.mainStartIpcUrlServer();

flutter/lib/web/bridge.dart

@@ -1412,10 +1412,6 @@ class RustdeskImpl {
     return false;
   }
 
-  Future<void> mainStartPa({dynamic hint}) {
-    throw UnimplementedError();
-  }
-
   bool mainHideDocker({dynamic hint}) {
     throw UnimplementedError();
   }