No need to set ARCH. Use default value

.gitlab-ci.yml.template

@@ -4,7 +4,6 @@ include:
   - https://www.opencode.net/zynthbox/gitlab-ci-tools/raw/main/zynthbox-default-ci.yml
 
 variables:
-  ARCH: 'armhf'
   SOURCE_REPO_URL: '@SOURCE_REPO@'
   SOURCE_REPO_BRANCH: '@SOURCE_REPO_BRANCH@'
   SOURCE_REPO_COMMIT_HASH: '@SOURCE_REPO_COMMIT_HASH@'