docs: remove the deprecated positionClass of dropdown

diff --git a/js/foundation.dropdown.js b/js/foundation.dropdown.js
index 47e52ac0b0aeee1b3deb6bc0fc2ea0528502b6e2..7266d695f597654d798a32ba442de2594888cc6d 100644 (file)
--- a/js/foundation.dropdown.js
+++ b/js/foundation.dropdown.js
@@ -347,14 +347,6 @@ Dropdown.defaults = {
    * @default 0
    */
   hOffset: 0,
-  /**
-   * DEPRECATED: Class applied to adjust open position.
-   * @option
-   * @type {string}
-   * @default ''
-   */
-  positionClass: '',
-
   /**
    * Position of dropdown. Can be left, right, bottom, top, or auto.
    * @option