Update mac_r.yml

.github/workflows/mac_r.yml

@@ -34,48 +34,6 @@ jobs:
           brew install gcc
         shell: bash
 
-      - name: Check for gfortran in common paths
-        run: |
-          if [ -x "/opt/homebrew/bin/gfortran" ]; then
-            echo "Found gfortran in /opt/homebrew/bin"
-          elif [ -x "/usr/local/bin/gfortran" ]; then
-            echo "Found gfortran in /usr/local/bin"
-          elif [ -x "/opt/homebrew/opt/gcc/bin/gfortran" ]; then
-            echo "Found gfortran in /opt/homebrew/opt/gcc/bin"
-            echo "/opt/homebrew/opt/gcc/bin" >> $GITHUB_PATH
-          else
-            echo "gfortran not found"
-            exit 1
-          fi
-        shell: bash
-
-      - name: Adjust gfortran library paths
-        run: |
-          if [ -d "/opt/homebrew/opt/gcc" ]; then
-            sudo mkdir -p /opt/R/arm64/gfortran/lib/gcc
-            sudo ln -sf /opt/homebrew/opt/gcc/lib/gcc /opt/R/arm64/gfortran/lib/gcc
-            sudo ln -sf /opt/homebrew/opt/gcc/lib /opt/R/arm64/gfortran/lib
-          fi
-        shell: bash
-
-      - name: Add Rscript to PATH
-        run: |
-          if [ -x "/Library/Frameworks/R.framework/Resources/bin/Rscript" ]; then
-            echo "/Library/Frameworks/R.framework/Resources/bin" >> $GITHUB_PATH
-          elif [ -x "/usr/local/bin/Rscript" ]; then
-            echo "/usr/local/bin" >> $GITHUB_PATH
-          else
-            echo "Rscript not found, exiting."
-            exit 1
-          fi
-        shell: bash
-
-      - name: Verify Rscript is available
-        run: |
-          which Rscript
-          Rscript --version
-        shell: bash
-
       - name: Set up R ${{ matrix.r-version }}
         uses: r-lib/actions/setup-r@v2
         with:
@@ -121,3 +79,4 @@ jobs:
       NOT_CRAN: true
 
 
+