fix(pat-collapsible): Class-based patterns cannot be jQuery plugins.

Author: thet

src/pat/collapsible/collapsible.js

@@ -36,7 +36,6 @@ class Pattern extends BasePattern {
     static name = "collapsible";
     static trigger = ".pat-collapsible";
     static parser = parser;
-    jquery_plugin = true;
 
     transitions = {
         "none": { closed: "hide", open: "show" },