MDL-87426 core_files: Remove the deprecated function

.upgradenotes/MDL-87426-2025123009384059.yml

@@ -0,0 +1,8 @@
+issueNumber: MDL-87426
+notes:
+  core_files:
+    - message: >-
+        The following methods have been removed from `public/lib/filestorage/file_storage.php`:
+        - `\file_storage::content_exists()`
+        - `\file_storage::try_content_recovery()`
+      type: removed

public/lib/filestorage/file_storage.php

@@ -1913,32 +1913,6 @@ class file_storage {
         return $this->filesystem->supports_xsendfile();
     }
 
-    /**
-     * Content exists
-     *
-     * @param string $contenthash
-     * @return bool
-     * @deprecated since 3.3
-     */
-    public function content_exists($contenthash) {
-        debugging('The content_exists function has been deprecated and should no longer be used.', DEBUG_DEVELOPER);
-
-        return false;
-    }
-
-    /**
-     * Tries to recover missing content of file from trash.
-     *
-     * @param stored_file $file stored_file instance
-     * @return bool success
-     * @deprecated since 3.3
-     */
-    public function try_content_recovery($file) {
-        debugging('The try_content_recovery function has been deprecated and should no longer be used.', DEBUG_DEVELOPER);
-
-        return false;
-    }
-
     /**
      * When user referring to a moodle file, we build the reference field
      *

public/lib/filestorage/file_system.php

@@ -168,7 +168,6 @@ abstract class file_system {
             return true;
         }
 
-        // This is called by file_storage::content_exists(), and in turn by the repository system.
         $path = $this->get_local_path_from_hash($contenthash, $fetchifnotfound);
 
         // Note - it is not possible to perform a content recovery safely from a hash alone.