ci: dotnet restore not needed for smoke-testing

[skip changelog]

.github/workflows/smoke-testing.yml

@@ -62,20 +62,6 @@ jobs:
         run: |
           git submodule update --init --depth 1 3rdparty/EmulatorExtras
 
-      - name: Cache .nuke/temp, ~/.nuget/packages
-        if: steps.cache-exe.outputs.cache-hit != 'true'
-        id: cache-nuget
-        uses: actions/cache@v4
-        with:
-          path: |
-            .nuke/temp
-            ~/.nuget/packages
-          key: ${{ runner.os }}-x64-${{ hashFiles('**/global.json', '**/*.csproj') }}
-
-      - name: Restore dependencies
-        if: steps.cache-exe.outputs.cache-hit != 'true' && steps.cache-nuget.outputs.cache-hit != 'true'
-        run: dotnet restore
-
       - name: Cache MaaDeps
         if: steps.cache-exe.outputs.cache-hit != 'true'
         id: cache-maadeps