Clean up unused syntax

syntax.php

@@ -1,15 +1,15 @@
 <?php
 
 require_once(__DIR__ . '/syntax/AbstractSyntax.php');
-require_once(__DIR__ . '/syntax/files.php');
 require_once(__DIR__ . '/syntax/scratchpad.php');
 
 /**
  * luxtools plugin bootstrap.
  *
- * The actual {{files>...}} syntax implementation lives in syntax/files.php.
+ * The actual syntax implementation lives in the syntax classes.
+ * This class exists to register the syntax with DokuWiki and for other classes to have a common namespace.
  */
-class syntax_plugin_luxtools extends syntax_plugin_luxtools_files
+class syntax_plugin_luxtools extends syntax_plugin_luxtools_directory
 {
     /** @inheritdoc */
     public function connectTo($mode)
@@ -18,16 +18,3 @@ class syntax_plugin_luxtools extends syntax_plugin_luxtools_files
     }
 }
 
-/**
- * Compatibility alias for older codebases that referenced the legacy FileTools class name.
- *
- * Note: plugin id/base is now `luxtools`.
- */
-class syntax_plugin_filetools extends syntax_plugin_luxtools_files
-{
-    /** @inheritdoc */
-    public function connectTo($mode)
-    {
-        // Intentionally empty: syntax is registered by syntax_plugin_luxtools_files.
-    }
-}