Update doc

Author: roznawsk

doc/docs.md

@@ -1513,9 +1513,7 @@ Constraints (documented, not schema-enforced):
     recursive batches and receivers may treat them as a protocol violation.
   - Notifications are delivered in array order; consumers must process
     them in order.
-  - The batch is wire-atomic but not semantically atomic: emitting two
-    batches vs. one batch of the same elements is equivalent.
-  - Sent only to peers that opted in
+  - Sent only for webhooks, for peers that opted in
 
 
 | Field | Type | Label | Description |

fishjam/server_notifications.proto

@@ -243,9 +243,7 @@ message ServerMessage {
   //     recursive batches and receivers may treat them as a protocol violation.
   //   - Notifications are delivered in array order; consumers must process
   //     them in order.
-  //   - The batch is wire-atomic but not semantically atomic: emitting two
-  //     batches vs. one batch of the same elements is equivalent.
-  //   - Sent only to peers that opted in
+  //   - Sent only for webhooks, for peers that opted in
   message NotificationBatch {
     repeated ServerMessage notifications = 1;
   }