remove defaultmenu items

wax-prosemirror-core/config/DefaultMenuItems.js

-const defaultMenuItems = [
-  "undo",
-  "redo",
-  "strong",
-  "em",
-  "subscript",
-  "superscript",
-  "underline",
-  "strikethrough",
-  "link",
-  "plain",
-  "ordered_list",
-  "bullet_list",
-  "lift",
-  "join_up",
-  "link",
-  "image",
-  "table",
-  "tableDropDownOptions",
-  "headings"
-];
-
-export default defaultMenuItems;