Fix WSL rtools mismatch

Author: andrjohns

.github/workflows/R-CMD-check-wsl.yaml

@@ -38,9 +38,6 @@ jobs:
       - uses: actions/checkout@v4
 
       - uses: r-lib/actions/setup-r@v2.8.7
-        with:
-          r-version: 'release'
-          rtools-version: '42'
       - uses: r-lib/actions/setup-pandoc@v2.8.7
 
       - name: Query dependencies