[cleanup] No need of msbuild for gmake2

Author: Jarod42

.github/workflows/premake5-windows-gmake2.yml

@@ -43,9 +43,6 @@ jobs:
       with:
           repository: premake/premake-core
 
-    - name: Add msbuild to PATH
-      uses: microsoft/setup-msbuild@v2
-
     - name: test projects
       run: |
         python3 ./test_projects.py premake5 projects gmake2 --shell=posix