Revert changes about moving methods to base class

Changelog: other
MR: https://gitlab.com/gitlab-org/gitlab/-/merge_requests/82849
EE: true

ee/app/finders/security/training_providers/base_url_finder.rb

@@ -9,8 +9,6 @@ module Security
       self.reactive_cache_refresh_interval = 1.minute
       self.reactive_cache_lifetime = 10.minutes
       self.reactive_cache_work_type = :external_dependency
-      self.reactive_cache_key = ->(finder) { finder.full_url }
-      self.reactive_cache_worker_finder = ->(id, *args) { from_cache(id) }
 
       def initialize(project, provider, identifier_external_id)
         @project = project

ee/app/finders/security/training_providers/kontra_url_finder.rb

@@ -3,6 +3,9 @@
 module Security
   module TrainingProviders
     class KontraUrlFinder < BaseUrlFinder
+      self.reactive_cache_key = ->(finder) { finder.full_url }
+      self.reactive_cache_worker_finder = ->(id, *args) { from_cache(id) }
+
       def calculate_reactive_cache(full_url)
         bearer_token = "sbdMsxcgW2Xs75Q2uHc9FhUCZSEV3fSg" # To improve the authentication/integration https://gitlab.com/gitlab-org/gitlab/-/issues/354070
         response = Gitlab::HTTP.try_get(

ee/app/finders/security/training_providers/secure_code_warrior_url_finder.rb

@@ -3,6 +3,9 @@
 module Security
   module TrainingProviders
     class SecureCodeWarriorUrlFinder < BaseUrlFinder
+      self.reactive_cache_key = ->(finder) { finder.full_url }
+      self.reactive_cache_worker_finder = ->(id, *args) { from_cache(id) }
+
       def calculate_reactive_cache(full_url)
         response = Gitlab::HTTP.try_get(full_url)
         { url: response.parsed_response["url"] } if response