Fix bulk collection deletion

The bulk collection delete seems to have removed the extra org_id in the
posted data. Now we only use the org_id from the path.

Fixes #4253

src/api/core/organizations.rs

@@ -611,7 +611,6 @@ async fn post_organization_collection_delete(
 #[allow(non_snake_case)]
 struct BulkCollectionIds {
     Ids: Vec<String>,
-    OrganizationId: String,
 }
 
 #[delete("/organizations/<org_id>/collections", data = "<data>")]
@@ -622,9 +621,6 @@ async fn bulk_delete_organization_collections(
     mut conn: DbConn,
 ) -> EmptyResult {
     let data: BulkCollectionIds = data.into_inner().data;
-    if org_id != data.OrganizationId {
-        err!("OrganizationId mismatch");
-    }
 
     let collections = data.Ids;