heat remove unused config options
heat remove unused config options

Remove metadata* config options - these were actually never used by
the metadata service, and look to be cut/paste artefacts from the
nova codebase.

Change-Id: I50b7d48bfaf82d4b1af7ad269ef329ec455c0f04
Signed-off-by: Steven Hardy <4d1810d1ff6d7f22d774341c4549c02173d2f2ab@redhat.com>

ntt-sic/heat,Triv90/Heat,rdo-management/heat,miguelgrinberg/heat,redhat-openstack/heat,Triv90/Heat,noironetworks/heat,maestro-hybrid-cloud/heat,rdo-management/heat,JioCloud/heat,maestro-hybrid-cloud/heat,rh-s/heat,openstack/heat,srznew/heat,openstack/heat,miguelgrinberg/heat,JioCloud/heat,dragorosson/heat,steveb/heat,NeCTAR-RC/heat,takeshineshiro/heat,varunarya10/heat,pratikmallya/heat,citrix-openstack-build/heat,cryptickp/heat,NeCTAR-RC/heat,dims/heat,Triv90/Heat,pratikmallya/heat,varunarya10/heat,noironetworks/heat,jasondunsmore/heat,gonzolino/heat,redhat-openstack/heat,dragorosson/heat,cwolferh/heat-scratch,takeshineshiro/heat,rh-s/heat,rickerc/heat_audit,cryptickp/heat,citrix-openstack-build/heat,dims/heat,srznew/heat,pshchelo/heat,pshchelo/heat,gonzolino/heat,steveb/heat,rickerc/heat_audit,ntt-sic/heat,cwolferh/heat-scratch,jasondunsmore/heat