Fixing some clippy warnings.

lemmy_apub/src/inbox/community_inbox.rs

@@ -179,7 +179,7 @@ pub(crate) async fn community_receive_message(
       .await?;
   }
 
-  return Ok(HttpResponse::Ok().finish());
+  Ok(HttpResponse::Ok().finish())
 }
 
 /// Handle a follow request from a remote user, adding the user as follower and returning an

lemmy_apub/src/inbox/receive_for_community.rs

@@ -350,7 +350,7 @@ async fn find_post_or_comment_by_id(
     return Ok(PostOrComment::Comment(c));
   }
 
-  return Err(NotFound.into());
+  Err(NotFound.into())
 }
 
 async fn fetch_post_or_comment_by_id(
@@ -366,7 +366,7 @@ async fn fetch_post_or_comment_by_id(
     return Ok(PostOrComment::Comment(comment));
   }
 
-  return Err(NotFound.into());
+  Err(NotFound.into())
 }
 
 fn get_like_object_id<Activity>(like_or_dislike: &Activity) -> Result<Url, LemmyError>

lemmy_apub/src/inbox/user_inbox.rs

@@ -396,5 +396,5 @@ async fn find_community_or_private_message_by_id(
     return Ok(CommunityOrPrivateMessage::PrivateMessage(p));
   }
 
-  return Err(NotFound.into());
+  Err(NotFound.into())
 }

lemmy_apub/src/objects/comment.rs

@@ -118,7 +118,7 @@ impl FromApub for Comment {
         Comment::delete(conn, comment.id)
       })
       .await??;
-      return Err(anyhow!("Post is locked").into());
+      Err(anyhow!("Post is locked").into())
     } else {
       Ok(comment)
     }