editorial: Remove duplicate text group order text

Nearly an identical paragraph exists just above.

Author: englishm

draft-ietf-moq-transport.md

@@ -1492,10 +1492,6 @@ subgroup ID is not used for ordering.
 If StartGroup/StartObject is greater than the latest published Object group,
 the publisher MUST return FETCH_ERROR with error code 'No Objects'.
 
-A publisher MUST send fetched groups in group order, either ascending or
-descending. Within each group, objects are sent in Object ID order;
-subgroup ID is not used for ordering.
-
 A publisher which receives a Fetch message with a Fetch Type of 0x2 should treat it as a Fetch with the following fields dynamically determined from the corresponding Subscribe:
 
 * Track Namespace: Same as in the corresponding Subscribe