mesos: remove deprecated tasks in main.yml
mesos: remove deprecated tasks in main.yml

sehqlr/mantl,mantl/mantl,abn/microservices-infrastructure,bitium/mantl,phnmnl/mantl,abn/microservices-infrastructure,datascienceinc/mantl,ContainerSolutions/microservices-infrastructure,abn/microservices-infrastructure,phnmnl/mantl,CiscoCloud/mantl,KaGeN101/mantl,bitium/mantl,KaGeN101/mantl,ContainerSolutions/microservices-infrastructure,datascienceinc/mantl,sehqlr/mantl,CiscoCloud/mantl,mantl/mantl,CiscoCloud/microservices-infrastructure,CiscoCloud/microservices-infrastructure