ci: refactor CI workflow and Docker setup

- Remove IPv6 ping command from CI workflow
- Uncomment Docker run configuration in action.yml

Signed-off-by: Bo-Yi Wu <appleboy.tw@gmail.com>

.github/workflows/ci.yml

@@ -298,7 +298,6 @@ jobs:
       - name: testing ipv6 for command
         run: |
           curl -m 9 --ipv6 --verbose https://google.com
-          ping6 2402:1f00:8000:800::2628 -c 4
 
       - name: testing ipv6
         uses: ./

action.yml

@@ -72,9 +72,7 @@ inputs:
     description: "pass all environment variable to shell script."
   request_pty:
     description: "Request a pseudo-terminal from the server."
-# runs:
-#   using: "docker"
-#   image: "Dockerfile"
+
 runs:
   using: "composite"
   steps: