waffle cleanup: remove 'site-events' switch

apps/stats/templates/stats/stats.html

@@ -4,10 +4,7 @@
 
 {% set c = collection if collection %}
 
-{% block bodyclass %}
-  statistics
-  {{ 'waffle-site-events' if waffle.switch('site-events') else '' }}
-{% endblock %}
+{% block bodyclass %}statistics{% endblock %}
 
 {% block extrahead %}
   {{ css('zamboni/stats') }}

media/js/impala/stats/manager.js

@@ -22,7 +22,7 @@ z.StatsManager = (function() {
         addonId         = parseInt($(".primary").attr("data-addon_id"), 10),
         baseURL         = $(".primary").attr("data-base_url"),
         pendingFetches  = 0,
-        siteEventsEnabled = $('body').hasClass('waffle-site-events'),
+        siteEventsEnabled = true,
         writeInterval   = false,
         lookup          = {},
         msDay = 24 * 60 * 60 * 1000; // One day in milliseconds.

migrations/394-remove-waffle-site-events.sql

@@ -0,0 +1,2 @@
+DELETE FROM waffle_flag_amo WHERE name = 'site-events';
+DELETE FROM waffle_flag_mkt WHERE name = 'site-events';

mkt/stats/templates/appstats/stats.html

@@ -2,10 +2,7 @@
 
 {% set range = view.range %}
 
-{% block bodyclass %}
-  statistics
-  {{ 'waffle-site-events' if waffle.switch('site-events') else '' }}
-{% endblock %}
+{% block bodyclass %}statistics{% endblock %}
 
 {% block extrahead %}
   {{ css('mkt/stats') }}