remove unused prop from plugin

ckanext/googleanalytics/plugin/__init__.py

@@ -90,10 +90,6 @@ class GoogleAnalyticsPlugin(GAMixinPlugin, p.SingletonPlugin):
         if self.googleanalytics_linked_domains:
             self.googleanalytics_fields["allowLinker"] = "true"
 
-        self.googleanalytics_javascript_url = h.url_for_static(
-            "/scripts/ckanext-googleanalytics.js"
-        )
-
         # If resource_prefix is not in config file then write the default value
         # to the config dict, otherwise templates seem to get 'true' when they
         # try to read resource_prefix from config.