Revert "Fix PyYAML mapping for RDO"
Revert "Fix PyYAML mapping for RDO"

Let's revert this commit to use lower case
package name. It was renamed in [1] in order
to satisfy global naming convention [2].

[1] https://src.fedoraproject.org/rpms/PyYAML/c/8dad75a7295191075b0b7da6c87967436710e351?branch=rawhide
[2] https://docs.fedoraproject.org/en-US/packaging-guidelines/Naming/#_general_naming

This reverts commit 3b2f6d77308cb7fafaa1a0171a4b64fd5e3d632b.

Change-Id: Ib9030240ad11287acfa84a706156f9b56e02f668

openstack/pymod2pkg