Simplify runs-on labels for Gitea Actions

.gitea/workflows/client-build.yml

@@ -15,9 +15,7 @@ on:
 
 jobs:
   validate-client:
-    runs-on:
-      - self-hosted
-      - ubuntu-22.04
+    runs-on: ubuntu-22.04
     steps:
       - name: Checkout
         uses: actions/checkout@v4
@@ -36,9 +34,7 @@ jobs:
   build-client-windows:
     needs: validate-client
     if: startsWith(github.ref, 'refs/tags/v') || (github.event_name == 'workflow_dispatch' && inputs.build_windows == 'true')
-    runs-on:
-      - self-hosted
-      - windows
+    runs-on: windows
     steps:
       - name: Checkout
         uses: actions/checkout@v4