Continue fixing MSYS CI

Author: eliemichel

.github/workflows/cmake.yml

@@ -34,7 +34,6 @@ jobs:
         - system: Windows-MSYS-x64
           runner: windows-latest
           msystem: ucrt64
-          extra-cmake-args: -G "MSYS Makefiles"
           exe-extension: .exe
 
         - system: MacOS-ARM
@@ -76,7 +75,6 @@ jobs:
         -DWEBGPU_BACKEND=${{ matrix.webgpu-backend }}
         -D${{ matrix.webgpu-backend }}_LINK_TYPE=${{ matrix.link-type }}
         -DCMAKE_BUILD_TYPE=${{ matrix.build-type }}
-        ${{ matrix.extra-cmake-args }}
 
     - name: Build
       if: ${{ ! matrix.msystem }}