fix incorrect prometheus azure metrics

[andyzhangx]

What type of PR is this?
/kind bug

What this PR does / why we need it:
Following azure metrics are wrong:

azLoadBalancersClient.CreateOrUpdate: load_balancers_create_or_update
azLoadBalancersClient.Delete: load_balancers_delete
azLoadBalancersClient.Get: public_ip_addresses_create_or_update
azRouteTablesClient.CreateOrUpdate: route_tables_create_or_update
azPublicIPAddressesClient: public_ip_addresses_delete
azVirtualMachineScaleSetVMsClient.Udate: vmssvm_update
azDisksClient.CreateOrUpdate: disks_create_or_update
azDisksClient.Delete: disks_delete

Which issue(s) this PR fixes:

Fixes #77721

Special notes for your reviewer:

Does this PR introduce a user-facing change?:

fix incorrect prometheus azure metrics

/assign @feiskyer
/priority important-soon
/sig azure

/test pull-kubernetes-e2e-aks-engine-azure

[andyzhangx]

/test pull-kubernetes-e2e-aks-engine-azure

[justaugustus]

/test pull-kubernetes-e2e-aks-engine-azure

[andyzhangx]

/test pull-kubernetes-e2e-aks-engine-azure
@feiskyer PTAL

[feiskyer]

/lgtm
/approve
/test

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: andyzhangx, feiskyer

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Needs approval from an approver in each of these files:

• staging/src/k8s.io/legacy-cloud-providers/azure/OWNERS [andyzhangx,feiskyer]

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[feiskyer]

/test pull-kubernetes-e2e-aks-engine-azure

[k8s-ci-robot]

@andyzhangx: The following test failed, say /retest to rerun them all:

Test name	Commit	Details	Rerun command
pull-kubernetes-e2e-aks-engine-azure	a33b86e	link	/test pull-kubernetes-e2e-aks-engine-azure

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