Move Zxx packages to GitLab

[michaelblyons]

The two packages owned by ZxxLang are marked as "archived" in GitHub and have a "moved to GitLab" message in their repo descriptions. They don't appear to have any changes in the GitLab version, but it will drop the MIA tag.

[github-actions]

Package Review

Channel Diff

Removed (none), changed ABNF-sublime-syntax and Zxx, added (none).

Review for ABNF-sublime-syntax 1.2017.1128

No failures

1 warnings:
- '.sublime-syntax' support has been added in build 3092 and there is no '.tmLanguage' fallback file
    File: ABNF.sublime-syntax


For more details on the report messages (for example how to resolve them), go to:
https://github.com/packagecontrol/st_package_reviewer/wiki

Review for Zxx 0.2017.1116

No failures

6 warnings:
- Found multiple command prefixes: Col, Toggle. Consider using one single prefix so as to not clutter the command namespace.
- '.sublime-syntax' support has been added in build 3092 and there is no '.tmLanguage' fallback file
    File: Zxx.sublime-syntax
- The binding ['tab'] is also defined in default bindings but is masked with a 'context'
    File: Default (Windows).sublime-keymap
- The binding ['tab'] is also defined in default bindings but is masked with a 'context'
    File: Default (OSX).sublime-keymap
- The binding ['super+forward_slash'] is also defined in default bindings but is masked with a 'context'
    File: Default (OSX).sublime-keymap
- The binding ['tab'] is also defined in default bindings but is masked with a 'context'
    File: Default (Linux).sublime-keymap


For more details on the report messages (for example how to resolve them), go to:
https://github.com/packagecontrol/st_package_reviewer/wiki

[braver]

@achun please confirm. Your packages are no longer getting updated in package control after your move to GitLab, this PR should correct that.