Revert "Append #nfsw when the AP sensitive property is true."

This reverts commit 1ca67c987e.

federation/entities/activitypub/models.py

@@ -869,11 +869,6 @@ class Note(Object, RawContentMixin):
 
         if getattr(self, 'target_id'): self.entity_type = 'Comment'
 
-        # add nsfw tag. TODO: add a client app content property for this?
-        # TODO: prepend with the summary property? Needs support from the client app.
-        if self.sensitive:
-            self.raw_content += ' #nsfw'
-
     def add_tag_objects(self) -> None:
         """
         Populate tags to the object.tag list.