Clean code

htdocs/api/class/api_documents.class.php

@@ -32,13 +32,6 @@ require_once DOL_DOCUMENT_ROOT.'/core/lib/files.lib.php';
  */
 class Documents extends DolibarrApi
 {
-	/**
-	 * @var array   $DOCUMENT_FIELDS     Mandatory fields, checked when create and update object
-	 */
-	public static $DOCUMENT_FIELDS = array(
-		'modulepart'
-	);
-
 	/**
 	 * Constructor
 	 */
@@ -993,25 +986,4 @@ class Documents extends DolibarrApi
 
 		throw new RestException(403);
 	}
-
-	// phpcs:disable PEAR.NamingConventions.ValidFunctionName
-	/**
-	 * Validate fields before create or update object
-	 *
-	 * @param   array           $data   Array with data to verify
-	 * @return  array
-	 * @throws  RestException
-	 */
-	private function _validate_file($data)
-	{
-		// phpcs:enable
-		$result = array();
-		foreach (Documents::$DOCUMENT_FIELDS as $field) {
-			if (!isset($data[$field])) {
-				throw new RestException(400, "$field field missing");
-			}
-			$result[$field] = $data[$field];
-		}
-		return $result;
-	}
 }