[enocean] Improved device discovery and added SMACK capability (#10156)

 * Removed wrong comment from README.md

Fixes #10156

Signed-off-by: Daniel Weber <uni@fruggy.de>

bundles/org.openhab.binding.enocean/README.md

@@ -139,7 +139,6 @@ SMACK devices send periodically status updates followed by a response request.
 Whenever such a request is received a `requestAnswer` event is triggered for channel `statusRequestEvent`.
 Afterwards you have 100ms time to recalculate your items states and update them.
 A message with the updated item states is build, put into the corresponding mailbox and automatically send upon request of the device.
-As the response is not send directly to the device your thing does not need a SenderId.
 Pairing and unpairing can be done through a discovery scan.
 The corresponding thing of an unpaired device gets disabled, you have to delete it manually if you want to.