Finished making person not revisionable

Am making stuff not revisionable for the initial hosted release and then will think about how to properly implement revisioning later.
Also removed now-unneeded contact details types vocabulary (contact details type is now a text field)

modules/zencrm_entities/config/install/taxonomy.vocabulary.contact_details_types.yml

@@ -1,8 +0,0 @@
-langcode: en
-status: true
-dependencies: {  }
-name: 'Contact Details Types'
-vid: contact_details_types
-description: 'E.g. "Home", "Business"'
-hierarchy: 0
-weight: 0

modules/zencrm_entities/src/Entity/Person.php

@@ -151,7 +151,6 @@ class Person extends ContentEntityBase implements PersonInterface {
     $fields['user_id'] = BaseFieldDefinition::create('entity_reference')
       ->setLabel(t('Authored by'))
       ->setDescription(t('The user ID of author of the Person entity.'))
-      ->setRevisionable(TRUE)
       ->setSetting('target_type', 'user')
       ->setSetting('handler', 'default')
     #  ->setDisplayOptions('view', [
@@ -180,7 +179,6 @@ class Person extends ContentEntityBase implements PersonInterface {
     $fields['first_name'] = BaseFieldDefinition::create('string')
       ->setLabel(t('First Name'))
       ->setDescription(t('First Name.'))
-      ->setRevisionable(TRUE)
       ->setSettings([
         'max_length' => 50,
         'text_processing' => 0,