refactor: remove replaced primary WinForms views

Author: Rouniy

.github/workflows/ci.yml

@@ -26,6 +26,9 @@ jobs:
         with:
           dotnet-version: '10.0.x'
 
+      - name: Validate frozen native surface manifest
+        run: ./build/porting/check-native-surface.sh
+
       - name: Build complete solution graph
         run: dotnet build MissionPlanner.slnx -c Release -m:1 --nologo