make pypy jobs non-voting for oslo libraries
make pypy jobs non-voting for oslo libraries

The PyPy jobs are failing with errors unrelated to the library
code. Mark them non-voting until we can figure out what is wrong.

Change-Id: I24ac7244b2322fe74b56290ec6def80b0eccecb9

dongwenjuan/project-config,citrix-openstack/project-config,anbangr/osci-project-config,Tesora/tesora-project-config,openstack-infra/project-config,coolsvap/project-config,coolsvap/project-config,openstack-infra/project-config,dongwenjuan/project-config,noorul/os-project-config,noorul/os-project-config,citrix-openstack/project-config,anbangr/osci-project-config,Tesora/tesora-project-config