Remove our manual submodule stuff

Per the below links the git module itself
supports getting git submodules recursvily.

* https://github.com/ansible/ansible/pull/3292/files
* https://github.com/ansible/ansible/issues/3291
* https://groups.google.com/forum/#!topic/ansible-project/L2QJadpZNE8

Thus we can remove this task and everything should
still function as expected

NOTE: Suggested action
- Keep this in a branch and make prod2 pull from said branch
- Update mediawiki-core and see if it is upd on prod2
- Update an extension we have branched and see if prod2 upds
- If the above work then we can deploy this change

Further Note:
Currently the state of mediawiki-core causes conflicts on prod2
and the prod2 copy of mediawiki-core is always in a touched and
dirty state. We should fix this..
Remove our own mediawiki change detection

Per the sobmodule updating issue this should
now work as expected
Fix IRC handler name
Add note about DPLforum NS usage
Fixes 159:New namespace on Meta for technical docs
Use techwiki
Revert "Use techwiki" - Jumping the gun

This reverts commit a2c94a41100f1d422087332fa6e3082ea7d48efd.
Enable Tech namespace on techwiki
Remove translate-proofr group
Disable index autocreation in ElasticSearch
Make common role more generic

Partly based on al3x/sovereign
Fix ufw syntax
Fix linux user creation
Enable ES on prod3
Stop using deprecated includes with with_items
Enable captcha log
Use single quotes for log dirs
Use single quotes where possible
Stop using deprecated includes with with_items
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