Remove dox.yaml

dox never really took off as we are not using it anymore, as
evidenced by the use of Ubuntu 12.04 (trusty). Remove the file.

Change-Id: Ie7fe5e52d0170b1121518b3e130ba7d5ce98257d
Signed-off-by: Stephen Finucane <stephenfin@redhat.com>

dox.yml

@@ -1,12 +0,0 @@
-images:
-  - infra/trusty
-add:
-  - requirements.txt
-  - test-requirements.txt
-prep:
-  - apt-get install -y python-dev mongodb-server python-pymongo pkg-config redis-server python-redis libxml2-dev libxslt-dev lib32z1-dev
-  - pip install -U -r requirements.txt -r test-requirements.txt
-  - service mongodb start
-  - service redis-server start
-  - export ZAQAR_TEST_EVERYTHING=1p
-commands: python setup.py testr --slowest