docs: remove slug and url from command pages since they are no longer needed

cmd/gendocs/gendocs.go

@@ -29,8 +29,6 @@ type frontmatter struct {
 	Date        string
 	Title       string
 	Description string
-	Slug        string
-	URL         string
 	Source      string
 	Annotations map[string]string
 }
@@ -38,8 +36,6 @@ type frontmatter struct {
 var frontmatterTemplate = template.Must(template.New("frontmatter").Parse(`---
 title: "{{ .Title }}"
 description: "{{ .Description }}"
-slug: {{ .Slug }}
-url: {{ .URL }}
 {{- range $key, $value := .Annotations }}
 {{ $key }}: {{  $value }}
 {{- end }}
@@ -112,8 +108,6 @@ rclone.org website.`,
 				Date:        now,
 				Title:       strings.ReplaceAll(base, "_", " "),
 				Description: commands[name].Short,
-				Slug:        base,
-				URL:         "/commands/" + strings.ToLower(base) + "/",
 				Source:      strings.ReplaceAll(strings.ReplaceAll(base, "rclone", "cmd"), "_", "/") + "/",
 				Annotations: commands[name].Annotations,
 			}