Fix "wimi" typos to "miwi" (Managed Identity for Workload Identity) (#4654)

Rename deleteWimiRoleAssignments to deleteMiwiRoleAssignments and fix
log messages and documentation to use the correct "miwi" abbreviation.

Co-authored-by: Claude Opus 4.6 <noreply@anthropic.com>

Author: tuxerrante

docs/deploy-development-rp.md

@@ -102,7 +102,7 @@ mock a cluster MSI. This script will also create the platform identities, platfo
 
 1. Create a resource group for your cluster and managed identities
 
-1. Source the local dev script and run the command to set up the wimi env file for you
+1. Source the local dev script and run the command to set up the miwi env file for you
 
    ```bash
    source ./hack/devtools/local_dev_env.sh

pkg/util/cluster/cluster.go

@@ -791,7 +791,7 @@ func (c *Cluster) Delete(ctx context.Context, vnetResourceGroup, clusterName str
 			errs = append(errs, fmt.Errorf("failed to delete cluster: %w", err))
 		}
 
-		if err := c.deleteWimiRoleAssignments(ctx, vnetResourceGroup); err != nil {
+		if err := c.deleteMiwiRoleAssignments(ctx, vnetResourceGroup); err != nil {
 			c.log.Errorf("Failed to delete workload identity role assignments: %v", err)
 			errs = append(errs, fmt.Errorf("failed to delete workload identity role assignments: %w", err))
 		}
@@ -828,7 +828,7 @@ func (c *Cluster) Delete(ctx context.Context, vnetResourceGroup, clusterName str
 			errs = append(errs, fmt.Errorf("failed to delete cluster: %w", err))
 		}
 
-		if err := c.deleteWimiRoleAssignments(ctx, vnetResourceGroup); err != nil {
+		if err := c.deleteMiwiRoleAssignments(ctx, vnetResourceGroup); err != nil {
 			c.log.Errorf("Failed to delete workload identity role assignments: %v", err)
 			errs = append(errs, fmt.Errorf("failed to delete workload identity role assignments: %w", err))
 		}
@@ -1309,12 +1309,12 @@ func (c *Cluster) deleteRoleAssignments(ctx context.Context, vnetResourceGroup,
 	return nil
 }
 
-func (c *Cluster) deleteWimiRoleAssignments(ctx context.Context, vnetResourceGroup string) error {
+func (c *Cluster) deleteMiwiRoleAssignments(ctx context.Context, vnetResourceGroup string) error {
 	if !c.Config.UseWorkloadIdentity {
-		c.log.Print("Skipping deletion of wimi roleassignments")
+		c.log.Print("Skipping deletion of miwi role assignments")
 		return nil
 	}
-	c.log.Print("deleting wimi role assignments")
+	c.log.Print("deleting miwi role assignments")
 
 	var wiRoleSets []api.PlatformWorkloadIdentityRoleSetProperties
 	if err := json.Unmarshal([]byte(c.Config.WorkloadIdentityRoles), &wiRoleSets); err != nil {