stripping schema nulls from stems

src/database/stem.rs

@@ -8,10 +8,5 @@ pub struct Stem {
   #[serde(skip_serializing_if = "Option::is_none")]
   pub relation: Option<String>,
 
-  // The actual database schema node mapping for
-  // O(1) jump table execution for queryer.
-  //
-  // Automatically skipped from `jspg_stems()` JSON payload output.
-  #[serde(skip)]
   pub schema: Arc<Schema>,
 }