Adjust messages for new flag format

At one point, flags for this were just using the single hyphen form, but
now they use double hyphens. Those leading hyphens have simply been
removed from messages mentioning them.

Signed-off-by: Justin Kulikauskas <jkulikau@redhat.com>

cmd/template-resolver/utils/resolver_client.go

@@ -75,7 +75,7 @@ func (t *TemplateResolver) resolveTemplates(cmd *cobra.Command, args []string) e
  if t.hubKubeConfigPath != "" && t.clusterName == "" {
  return fmt.Errorf(
  "when a hub kubeconfig is provided, you must provide a managed cluster name for hub templates to resolve " +
- "using the -cluster-name argument",
+ "using the cluster-name argument",
  )
  }
 

cmd/template-resolver/utils/resolver_utils.go

@@ -317,7 +317,7 @@ func processObjTemplatesRaw(
  }
 
  if bytes.Contains([]byte(oTRaw), []byte("{{hub")) {
- return fmt.Errorf("unresolved hub template in YAML input. Use the -hub-kubeconfig argument")
+ return fmt.Errorf("unresolved hub template in YAML input. Use the hub-kubeconfig argument")
  }
 
  tmplResult, err := resolver.ResolveTemplate([]byte(oTRaw), nil, &resolveOptions)
@@ -490,7 +490,7 @@ func resolveManagedTemplate(
  }
 
  if bytes.Contains(rawData, []byte("{{hub")) {
- return nil, fmt.Errorf("unresolved hub template in YAML input. Use the -hub-kubeconfig argument")
+ return nil, fmt.Errorf("unresolved hub template in YAML input. Use the hub-kubeconfig argument")
  }
 
  tmplResult, err := resolver.ResolveTemplate(rawData, nil, &resolveOptions)