Remove hardcoded foreign keys from db.catalog.api
Remove hardcoded foreign keys from db.catalog.api

Change-Id: Icc5af337c7aa9621bd8b557be8b87413c053be88

sajuptpm/murano,openstack/murano,chenyujie/hybrid-murano,DavidPurcell/murano_temp,olivierlemasle/murano,ativelkov/murano-api,DavidPurcell/murano_temp,satish-avninetworks/murano,NeCTAR-RC/murano,satish-avninetworks/murano,olivierlemasle/murano,NeCTAR-RC/murano,NeCTAR-RC/murano,NeCTAR-RC/murano,ativelkov/murano-api,sergmelikyan/murano,satish-avninetworks/murano,olivierlemasle/murano,sergmelikyan/murano,sajuptpm/murano,chenyujie/hybrid-murano,telefonicaid/murano,olivierlemasle/murano,telefonicaid/murano,DavidPurcell/murano_temp,openstack/murano,satish-avninetworks/murano,DavidPurcell/murano_temp