fix(feedback): rm per-feedback attach limit (#12968)

Author: aliu39

develop-docs/application-architecture/feedback-architecture.mdx

@@ -93,9 +93,8 @@ In Relay v24.5.1, we migrated feedback to its own kafka topic + consumer,
 
 ### Attachments
 
-We only use attachments for the widget’s screenshot feature, which allows users
-to submit **at most 1 screenshot per feedback**. Attachments are another [item type](/sdk/data-model/envelopes/#attachment)
-in an envelope.
+Attachments are another [item type](/sdk/data-model/envelopes/#attachment)
+in an envelope. We use attachments for the widget’s screenshot feature.
 
 - SDK v8.0.0+, Relay v24.5.1+: Sends the feedback and attachment items in the same envelope.
 - SDK < v8, all Relay versions: Sends a separate envelope for each item.