heat : heat-boto remove boto.cfg reading
heat : heat-boto remove boto.cfg reading

Remove code directly reading boto.cfg, looks like the problem
with boto not reading the config file internally is fixed upstream

Signed-off-by: Steven Hardy <shardy@redhat.com>

Change-Id: I57e1d89d0fa83793d51d5cf6266c200d7abc7d57

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