maint(pat-inject): Remove obsolete raptor-ui trigger.

Remove the ".raptor-ui .ui-button.pat-inject" trigger selector which was
for raptor WYSIWYG HTML editor support. This editor isn't actively
developed since almost 9 years and not supported anymore. This is not a
breaking change.

Author: thet

src/pat/inject/inject.js

@@ -44,8 +44,7 @@ parser.addArgument("url");
 
 const inject = {
     name: "inject",
-    trigger:
-        ".raptor-ui .ui-button.pat-inject, a.pat-inject, form.pat-inject, .pat-subform.pat-inject",
+    trigger: "a.pat-inject, form.pat-inject, .pat-subform.pat-inject",
     parser: parser,
 
     init($el, opts) {