Merge pull request #10887 from manadart/2.7

#10887

## Description of change

- Fixes a comment typo in `add-cloud` help text.
- Removes interface and test implementation no longer used following #10886

## QA steps

No functional changes; tests pass

## Documentation changes

None.

## Bug reference

https://bugs.launchpad.net/juju/+bug/1851801

apiserver/common/addresses.go

@@ -14,8 +14,6 @@ import (
 // AddressAndCertGetter can be used to find out controller addresses
 // and the CA public certificate.
 type AddressAndCertGetter interface {
-	network.SpaceLookup
-
 	Addresses() ([]string, error)
 	ModelUUID() string
 	APIHostPortsForAgents() ([]network.SpaceHostPorts, error)

apiserver/common/addresses_test.go

@@ -122,11 +122,3 @@ func (f fakeAddresses) APIHostPortsForAgents() ([]network.SpaceHostPorts, error)
 func (fakeAddresses) WatchAPIHostPortsForAgents() state.NotifyWatcher {
 	panic("should never be called")
 }
-
-func (fakeAddresses) SpaceIDsByName() (map[string]string, error) {
-	return map[string]string{}, nil
-}
-
-func (fakeAddresses) SpaceInfosByID() (map[string]network.SpaceInfo, error) {
-	return map[string]network.SpaceInfo{}, nil
-}

apiserver/facades/agent/caasoperator/state.go

@@ -16,8 +16,6 @@ import (
 // CAASOperatorState provides the subset of global state
 // required by the CAAS operator facade.
 type CAASOperatorState interface {
-	network.SpaceLookup
-
 	Application(string) (Application, error)
 	Model() (Model, error)
 	ModelUUID() string

apiserver/facades/controller/caasoperatorprovisioner/state.go

@@ -15,8 +15,6 @@ import (
 // CAASOperatorProvisionerState provides the subset of global state
 // required by the CAAS operator provisioner facade.
 type CAASOperatorProvisionerState interface {
-	network.SpaceLookup
-
 	ControllerConfig() (controller.Config, error)
 	StateServingInfo() (state.StateServingInfo, error)
 	WatchApplications() state.StringsWatcher

cmd/juju/cloud/add.go

@@ -105,7 +105,7 @@ clouds:                           # mandatory
  - joyent
  - oci
 
-When a a running controller is updated, the credential for the cloud
+When a running controller is updated, the credential for the cloud
 is also uploaded. As with the cloud, the credential needs
 to have been added to the current client, use add-credential to
 do that. If there's only one credential for the cloud it will be