Remove redundant dotnet restore and library build steps from .NET test workflow

Author: 0x25CBFC4F

.github/workflows/test-dotnet-versions.yml

@@ -54,12 +54,6 @@ jobs:
         chmod 600 /tmp/id_rsa
         ssh-add /tmp/id_rsa
 
-    - name: Restore dependencies
-      run: dotnet restore
-
-    - name: Build library for ${{ matrix.target-framework }}
-      run: dotnet build -c Release --no-restore -f ${{ matrix.target-framework }}
-
     - name: Build test project for ${{ matrix.target-framework }}
       run: dotnet build -c Release --self-contained -r linux-x64 -f ${{ matrix.target-framework }} ./src/NullOpsDevs.LibSsh.Test/NullOpsDevs.LibSsh.Test.csproj