Tore out the old engine, left some wounds

app/imports/api/engine/computation/buildComputation/removeSchemaFields.js

@@ -0,0 +1,16 @@
+import applyFnToKey from '../utility/applyFnToKey.js';
+import { unset } from 'lodash';
+
+export default function removeSchemaFields(schemas, prop){
+  schemas.forEach(schema => {
+    schema._schemaKeys.forEach(key => {
+      // Skip object and array keys
+      if (
+        schema.getQuickTypeForKey(key) === 'object' ||
+        schema.getQuickTypeForKey(key) === 'objectArray'
+      ) return;
+      // Unset other computed only keys
+      applyFnToKey(prop, key, unset)
+    });
+  });
+}