Drop R for now

Author: j-woz

.github/workflows/build.yaml

@@ -38,9 +38,9 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v4
 
-      # R may need to run before installing sed:
-      - name: Set up R
-        uses: r-lib/actions/setup-r@v2
+      # # R may need to run before installing sed:
+      # - name: Set up R
+      #   uses: r-lib/actions/setup-r@v2
 
       - name: Install deps
         run: |