Update docs deployment workflow

Author: mingyaulee

.github/workflows/Blazor.BrowserExtension-Docs.yml

@@ -34,21 +34,7 @@ jobs:
     - name: Build
       run: dotnet build docs --no-restore --configuration Release -p:OutDir=$PWD/docs/bin/BuildOutput
     - name: Publish
-      run: dotnet publish docs --no-restore --no-build --configuration Release -p:PublishDir=$PWD/PublishOutput
-    - name: Create runtimeconfig.json
-      run: |
-           cat <<EOF > $PWD/docs/bin/BuildOutput/Docs.runtimeconfig.json
-           {
-             "runtimeOptions": {
-               "tfm": "net${{ env.DOTNET_VERSION }}",
-               "framework": {
-                 "name": "Microsoft.AspNetCore.App",
-                 "version": "${{ env.DOTNET_VERSION }}.0"
-               },
-               "rollForwardOnNoCandidateFx": 2
-             }
-           }
-           EOF
+      run: dotnet publish docs --no-restore --no-build --configuration Release -p:OutDir=$PWD/docs/bin/BuildOutput -p:PublishDir=$PWD/PublishOutput
     - name: After Publish
       run: dotnet docs/bin/BuildOutput/Docs.dll --after-publish $PWD/PublishOutput/wwwroot
     - name: Configure GitHub Pages