Update build.yaml

Author: abelbraaksma

.github/workflows/build.yaml

@@ -19,6 +19,5 @@ jobs:
       - name: Run dotnet build (release)
         run: ./build.cmd
       - name: Check build result status
-        uses: technote-space/workflow-conclusion-action@v2
         if: env.ERRORLEVEL != 0
         run: exit 1