Remove troveclient and ironicclient from shade libs
Remove troveclient and ironicclient from shade libs

Neither library have the ability to be put into LIBS_FROM_GIT, so
putting them into the project or libs list just results in errors.

Change-Id: Ieecf91bfafc35624f7e172bed46a6df02174fcb8

openstack-infra/project-config,openstack-infra/project-config,Tesora/tesora-project-config,Tesora/tesora-project-config