remove readme and point to online docs

Author: toddlahman

README.md

@@ -1,8 +1,8 @@
 *** WooCommerce API Manager PHP Library for Plugins and Themes Changelog ***
 
 2020.12.17 - version 2.8
- * New: Updated so both Parent and Child themes can have activated API Keys at the same time, and can do a theme update at the same time, provided each have had their API Keys activated and remain activated. See readme for setup.
- * New: Auto-Updates now available for Plugins, Parent and Child Themes, as was introduced in WP 5.5.
+ * New: Updated so both Parent and Child themes can have activated API Keys at the same time, and can do a theme update at the same time, provided each have had their API Keys activated and remain activated. See online doc for correct setup.
+ * New: Auto-Updates now available for Plugins, and Parent and Child Themes, as was introduced in WP 5.5.
 
 2020.08.24 - version 2.7.3
  * Tweak: Minor code improvements/revisions.