Remove dist_tag (unused)

Author: thespad

Jenkinsfile

@@ -27,7 +27,6 @@ pipeline {
     DEV_DOCKERHUB_IMAGE = 'lsiodev/socket-proxy'
     PR_DOCKERHUB_IMAGE = 'lspipepr/socket-proxy'
     DIST_IMAGE = 'alpine'
-    DIST_TAG = '3.20'
     DIST_REPO = 'http://dl-cdn.alpinelinux.org/alpine/v3.21/main/'
     DIST_REPO_PACKAGES = 'nginx'
     MULTIARCH='true'

jenkins-vars.yml

@@ -17,7 +17,6 @@ repo_vars:
   - DEV_DOCKERHUB_IMAGE = 'lsiodev/socket-proxy'
   - PR_DOCKERHUB_IMAGE = 'lspipepr/socket-proxy'
   - DIST_IMAGE = 'alpine'
-  - DIST_TAG = '3.20'
   - DIST_REPO = 'http://dl-cdn.alpinelinux.org/alpine/v3.21/main/'
   - DIST_REPO_PACKAGES = 'nginx'
   - MULTIARCH='true'