Removed extra repos in rcmdcheck

Author: VisruthSK

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

@@ -41,13 +41,10 @@ jobs:
           r-version: ${{ matrix.config.r }}
           http-user-agent: ${{ matrix.config.http-user-agent }}
           use-public-rspm: true
-          extra-repositories: |
-            https://community.r-multiverse.org
-            https://stan-dev.r-universe.dev
 
       - uses: r-lib/actions/setup-r-dependencies@v2
         with:
-          extra-packages: any::rcmdcheck, any::BH, any::RcppEigen, any::vdiffr, any::cmdstanr
+          extra-packages: any::rcmdcheck, any::BH, any::RcppEigen, any::vdiffr, github::stan-dev/cmdstanr
           needs: check
 
       - name: Install CmdStan