Removes platform constants

coriolis/constants.py

@@ -59,10 +59,6 @@ HYPERVISOR_QEMU = "qemu"
 HYPERVISOR_KVM = "kvm"
 HYPERVISOR_XENSERVER = "xenserver"
 
-PLATFORM_AZURE_RM = "azure"
-PLATFORM_OPENSTACK = "openstack"
-PLATFORM_VMWARE_VSPHERE = "vmware_vsphere"
-
 TASK_EVENT_INFO = "INFO"
 TASK_EVENT_WARNING = "WARNING"
 TASK_EVENT_ERROR = "ERROR"