remove empty tradeoffs section
@@ -116,9 +116,6 @@ The messages used in SAS verification are the same as those currently defined,
except that instead of the `transaction_id` property, an `m.relates_to`
property, as defined above, is used instead.
-## Tradeoffs
-
-
## Potential issues
If a user wants to verify their own device, this will require the creation of a
