remove arm and restore ubuntu-latest to resume publishing without ARM

.github/workflows/docker-build-push-dockerhub.yml

@@ -28,7 +28,7 @@ jobs:
   # This workflow contains a single job called "build"
   build:
     # The type of runner that the job will run on
-    runs-on: self-hosted
+    runs-on: ubuntu-latest
 
     # Steps represent a sequence of tasks that will be executed as part of the job
     steps:
@@ -99,7 +99,7 @@ jobs:
           context: ./
           file: ./Dockerfile
           push: ${{ github.event_name != 'pull_request' }}
-          platforms: linux/amd64,linux/arm64
+          platforms: linux/amd64
           tags: ${{ steps.meta.outputs.tags }}
           labels: ${{ steps.meta.outputs.labels }}
           build-args: |