Do not need to mention the method that is being called in the exception

What is important to tell is that the database configuration could not
be loaded.

Fixes #34296.

railties/lib/rails/application/configuration.rb

@@ -191,7 +191,7 @@ def database_configuration
               "Please note that YAML must be consistently indented using spaces. Tabs are not allowed. " \
               "Error: #{e.message}"
       rescue => e
-        raise e, "Cannot load `Rails.application.database_configuration`:\n#{e.message}", e.backtrace
+        raise e, "Cannot load database configuration:\n#{e.message}", e.backtrace
       end
 
       def colorize_logging