Remove cache step from cuttingedge workflow, set --platform to TARGETPLATFORM instead

.github/workflows/docker-image-cuttingedge.yml

@@ -11,26 +11,7 @@ jobs:
 
     runs-on: ubuntu-latest
 
-    steps:
-      - name: Clear cache
-        uses: actions/github-script@v6
-        with:
-          script: |
-            console.log("About to clear")
-            const caches = await github.rest.actions.getActionsCacheList({
-              owner: context.repo.owner,
-              repo: context.repo.repo,
-            })
-            for (const cache of caches.data.actions_caches) {
-              console.log(cache)
-              github.rest.actions.deleteActionsCacheById({
-                owner: context.repo.owner,
-                repo: context.repo.repo,
-                cache_id: cache.id,
-              })
-            }
-            console.log("Clear completed")
-      
+    steps:      
       - name: Checkout
         uses: actions/checkout@v4