docs: remove comment stating FIFO SQS Queues aren't supported (#1367)

Author: brettstack

versions/2016-10-31.md

@@ -580,7 +580,7 @@ Enabled | `boolean` | Indicates whether Lambda begins polling the event source.
 ```yaml
 Type: SQS
 Properties:
-  Queue: arn:aws:sqs:us-west-2:012345678901:my-queue # NOTE: FIFO SQS Queues are not yet supported
+  Queue: arn:aws:sqs:us-west-2:012345678901:my-queue
   BatchSize: 10
   Enabled: false
 ```