Remove not needed functions from docker.yml

.github/workflows/docker.yml

@@ -57,8 +57,7 @@ jobs:
           flavor: |
             latest=false
           tags: |
-            type=raw,value=latest,enable=${{ github.ref == 'refs/heads/fix-docker-build-architecture' }}
-            type=pep440,pattern={{raw}}
+            type=raw,value=latest,enable=${{ github.ref == 'refs/heads/main' }}
 
       - name: Build and push all platforms
         id: build-and-push
@@ -76,14 +75,3 @@ jobs:
           # https://github.com/rust-lang/cargo/issues/10583
           build-args: |
             CARGO_NET_GIT_FETCH_WITH_CLI=true
-
-      - name: Sign the images with GitHub OIDC Token
-        env:
-          DIGEST: ${{ steps.build-and-push.outputs.digest }}
-          TAGS: ${{ steps.set-tag.outputs.tags }}
-        run: |
-          images=""
-          for tag in ${TAGS}; do
-            images+="${tag}@${DIGEST} "
-          done
-          cosign sign --yes ${images}