fix(fls): update frontmatters

Author: SamyOubouaziz

pages/file-storage/how-to/detach-unmount-file-system.mdx

@@ -1,10 +1,6 @@
 ---
-meta:
-  title: &title How to unmount and detach a file system from a Scaleway Instance
-  description: &description This page explains how to unmount then detach a File Storage file system from Scaleway Instances
-content:
-  h1: *title
-  paragraph: *description
+title: How to unmount and detach a file system from a Scaleway Instance
+description: This page explains how to unmount then detach a File Storage file system from Scaleway Instances
 tags: detach instance server fs filesystem file storage resource
 categories:
   - storage

pages/file-storage/how-to/manage-delete-file-system.mdx

@@ -1,10 +1,6 @@
 ---
-meta:
-  title: &title How to manage and delete a file system
-  description: &description This page explains how to manage delete a File Storage file system using the Scaleway console. 
-content:
-  h1: *title
-  paragraph: *description
+title: How to manage and delete a file system
+description: This page explains how to manage delete a File Storage file system using the Scaleway console.
 tags: manage settings parameters delete suppress cancel remove fs filesystem file storage resource
 categories:
   - storage

pages/file-storage/how-to/unmount-file-system.mdx

@@ -1,10 +1,6 @@
 ---
-meta:
-  title: &title How to unmount a file system from a Scaleway Instance
-  description: &description This page explains how to unmount a File Storage file system from Scaleway Instances using the Scaleway console
-content:
-  h1: *title
-  paragraph: *description
+title: How to unmount a file system from a Scaleway Instance
+description: This page explains how to unmount a File Storage file system from Scaleway Instances using the Scaleway console
 tags: unmount instance server fs filesystem file storage resource
 categories:
   - storage