Is there a way to remove my account from an Azure Active Directory?

Solution 1:

When you are added to another organization's tenant as a collaborator, you can use the "tenant switcher" in the upper right to switch between tenants. Currently, there is no way to leave the inviting organization, and Microsoft is working on providing this functionality. Until this feature is available, you can ask the inviting organization to remove you from their tenant.

See more information or details in this official document :Azure Active Directory FAQ

Update:

You can leave a tenant by yourself if you’ re a guest user which was invited to the tenant.

For more details about how to leave a tenant, you can refer to this documentation.