Put the _node_revision_delete_delete_content_type_config function inside the node_revision_delete service

Problem/Motivation

A discussion is open in When I should create a service or an utility function? about this topic, in this case we have some services calls that are in the .module file and should be inside a service.

Proposed resolution

Put the_node_revision_delete_delete_content_type_config function inside the node_revision_delete service as the deleteContentTypeConfig method.

Remaining tasks

None.

User interface changes

None.

API changes

The deleteContentTypeConfig method is now available in the node_revision_delete service.

Data model changes

None.