Remove MySQL-python from Aodh pip requirements
Remove MySQL-python from Aodh pip requirements

Aodh does not connect to MySQL and therefore does not need the MySQL-python
wheel installed.

Change-Id: Ic20270bcdf259daa5d5a0da3a55cb2a72fd90677

bunchc/openstack-ansible,mancdaz/openstack-ansible,weezer/openstack-ansible,BjoernT/os-ansible-deployment,major/openstack-ansible,mancdaz/openstack-ansible,yanyao/openstack-ansible,yanyao/newton,BjoernT/openstack-ansible,BjoernT/openstack-ansible,weezer/openstack-ansible,cfarquhar/openstack-ansible,cloudnull/os-ansible-deployment,robb-romans/openstack-ansible,stackforge/os-ansible-deployment,BjoernT/os-ansible-deployment,major/os-ansible-deployment,os-cloud/os-ansible-deployment,robb-romans/openstack-ansible,openstack/openstack-ansible,yanyao/openstack-ansible,stackforge/os-ansible-deployment,os-cloud/os-ansible-deployment,yanyao/newton,cfarquhar/openstack-ansible,mrda/openstack-ansible,openstack/openstack-ansible,major/openstack-ansible,bunchc/openstack-ansible,cloudnull/os-ansible-deployment,BjoernT/os-ansible-deployment,mrda/openstack-ansible,major/os-ansible-deployment,mrda/openstack-ansible,Logan2211/openstack-ansible,Logan2211/openstack-ansible