Move .enabled? from Gitlab::Tracking to destination class

lib/gitlab/tracking.rb

@@ -4,7 +4,7 @@ module Gitlab
   module Tracking
     class << self
       def enabled?
-        snowplow_micro_enabled? || Gitlab::CurrentSettings.snowplow_enabled?
+        snowplow.enabled?
       end
 
       def event(category, action, label: nil, property: nil, value: nil, context: [], project: nil, user: nil, namespace: nil, **extra) # rubocop:disable Metrics/ParameterLists

lib/gitlab/tracking/destinations/snowplow.rb

@@ -37,7 +37,7 @@ module Gitlab
         private
 
         def enabled?
-          Gitlab::Tracking.enabled?
+          Gitlab::CurrentSettings.snowplow_enabled?
         end
 
         def app_id

lib/gitlab/tracking/destinations/snowplow_micro.rb

@@ -33,6 +33,11 @@ module Gitlab
 
         private
 
+        override :enabled?
+        def enabled?
+          true
+        end
+
         override :cookie_domain
         def cookie_domain
           '.gitlab.com'