Return fake if and only if there's no database

Because `connect_to_db?` already detects if the table exists or not

lib/gitlab/current_settings.rb

@@ -7,10 +7,6 @@ module Gitlab
         Gitlab::SafeRequestStore.fetch(:current_application_settings) { ensure_application_settings! }
       end
 
-      def fake_application_settings(attributes = {})
-        Gitlab::FakeApplicationSettings.new(::ApplicationSetting.defaults.merge(attributes || {}))
-      end
-
       def clear_in_memory_application_settings!
         @in_memory_application_settings = nil
       end
@@ -58,28 +54,21 @@ module Gitlab
             .stringify_keys
             .slice(*column_names)
 
-          return ::ApplicationSetting.new(final_attributes)
-        end
-
-        return current_settings if current_settings.present?
-
-        with_fallback_to_fake_application_settings do
-          ::ApplicationSetting.create_from_defaults || in_memory_application_settings
+          ::ApplicationSetting.new(final_attributes)
+        elsif current_settings.present?
+          current_settings
+        else
+          ::ApplicationSetting.create_from_defaults ||
+            in_memory_application_settings
         end
       end
 
-      def in_memory_application_settings
-        with_fallback_to_fake_application_settings do
-          @in_memory_application_settings ||= ::ApplicationSetting.build_from_defaults
-        end
+      def fake_application_settings(attributes = {})
+        Gitlab::FakeApplicationSettings.new(::ApplicationSetting.defaults.merge(attributes || {}))
       end
 
-      def with_fallback_to_fake_application_settings(&block)
-        yield
-      rescue
-        # In case the application_settings table is not created yet, or if a new
-        # ApplicationSetting column is not yet migrated we fallback to a simple OpenStruct
-        fake_application_settings
+      def in_memory_application_settings
+        @in_memory_application_settings ||= ::ApplicationSetting.build_from_defaults
       end
 
       def connect_to_db?