Migrate traces to new logger

app/models/user.rb

@@ -329,7 +329,7 @@ class User < Sequel::Model
   def delete_common_data
     CartoDB::Visualization::CommonDataService.new.delete_common_data_for_user(self)
   rescue StandardError => e
-    CartoDB.notify_error("Error deleting common data for user", user: self, error: e.inspect)
+    Rails.logger.error(message: 'Error deleting common data for user', user: self, exception: e)
   end
 
   def after_save

app/services/visualization/common_data_service.rb

@@ -190,12 +190,11 @@ module CartoDB
             log_error(message: "Couldn't delete, already imported", visualization: { id: visualization.id })
             false
           else
-            CartoDB.notify_error(
-              "Couldn't delete remote visualization",
-              visualization: visualization.id,
-              error: e.inspect
+            Rails.logger.error(
+              message: "Couldn't delete remote visualization",
+              visualization_id: visualization.id,
+              exception: e
             )
-            raise e
           end
         end
       end