only update Azure data disks when attach/detach

Author: andyzhangx

staging/src/k8s.io/legacy-cloud-providers/azure/azure_controller_standard.go

@@ -85,7 +85,6 @@ func (as *availabilitySet) AttachDisk(isManagedDisk bool, diskName, diskURI stri
 
 	newVM := compute.VirtualMachineUpdate{
 		VirtualMachineProperties: &compute.VirtualMachineProperties{
-			HardwareProfile: vm.HardwareProfile,
 			StorageProfile: &compute.StorageProfile{
 				DataDisks: &disks,
 			},
@@ -155,7 +154,6 @@ func (as *availabilitySet) DetachDisk(diskName, diskURI string, nodeName types.N
 
 	newVM := compute.VirtualMachineUpdate{
 		VirtualMachineProperties: &compute.VirtualMachineProperties{
-			HardwareProfile: vm.HardwareProfile,
 			StorageProfile: &compute.StorageProfile{
 				DataDisks: &disks,
 			},

staging/src/k8s.io/legacy-cloud-providers/azure/azure_controller_vmss.go

@@ -85,12 +85,8 @@ func (ss *scaleSet) AttachDisk(isManagedDisk bool, diskName, diskURI string, nod
 			})
 	}
 	newVM := compute.VirtualMachineScaleSetVM{
-		Sku:      vm.Sku,
-		Location: vm.Location,
 		VirtualMachineScaleSetVMProperties: &compute.VirtualMachineScaleSetVMProperties{
-			HardwareProfile: vm.HardwareProfile,
 			StorageProfile: &compute.StorageProfile{
-				OsDisk:    vm.StorageProfile.OsDisk,
 				DataDisks: &disks,
 			},
 		},
@@ -159,12 +155,8 @@ func (ss *scaleSet) DetachDisk(diskName, diskURI string, nodeName types.NodeName
 	}
 
 	newVM := compute.VirtualMachineScaleSetVM{
-		Sku:      vm.Sku,
-		Location: vm.Location,
 		VirtualMachineScaleSetVMProperties: &compute.VirtualMachineScaleSetVMProperties{
-			HardwareProfile: vm.HardwareProfile,
 			StorageProfile: &compute.StorageProfile{
-				OsDisk:    vm.StorageProfile.OsDisk,
 				DataDisks: &disks,
 			},
 		},