Send API cleanup: remove legacy endpoints and align access with upstream (#7806)

src/auth/send.rs

@@ -75,7 +75,7 @@ impl SendTokens {
             return Self::invalid_error(&format!("Can't convert {access_id}"), "send_id_invalid", false);
         };
 
-        let Some(mut send) = Send::find_by_uuid(&send_id, conn).await else {
+        let Some(send) = Send::find_by_uuid(&send_id, conn).await else {
             return Self::invalid_error(&format!("Can't find {send_id}"), "send_id_invalid", false);
         };
 
@@ -103,10 +103,6 @@ impl SendTokens {
             }
         }
 
-        if !send.register_access(conn).await? {
-            return Self::invalid_error(&format!("Send {send_id}, max access reached"), "send_id_invalid", true);
-        }
-
         Ok(Self {
             access_claims: generate_send_access_claims(&send_id),
         })