Remove default ejabberd_auth_http.yml, README explains how to enable (#284)

ejabberd_auth_http/README.md

@@ -16,6 +16,8 @@ central user database, which is shared with other services. It fits
 perfectly when client application uses custom authentication token and
 ejabberd has to validate it externally.
 
+This module requires ejabberd 20.02 or higher.
+
 ## Configuration
 
 ### How to enable

ejabberd_auth_http/conf/ejabberd_auth_http.yml

@@ -1,7 +0,0 @@
-auth_method: http
-auth_opts:
-  host: "http://localhost:12000"
-  connection_pool_size: 10
-  connection_opts: []
-  basic_auth: ""
-  path_prefix: "/"