Sitecore 9.3 Messaging DB is missing

I have recently installed Sitecore Experience Cloud 9.3 XP from Azure Marketplace & it is observed that it doesn't contain Messaging DB SQL database & in the earlier version of Sitecore 9.1 it was present. I wanted to understand is Sitecore has merged Messaging DB with other databases or they have removed Meaaging DB OR I have done something wrong in the installation.