fix(migration): fix remove field bug in script

src/migrations/scripts/1618322296327-clean-data.ts

@@ -8,7 +8,12 @@ export const up = async () => {
   let document;
   while ((document = await cursor.next())) {
     const newDoc = updateStructure(document);
-    await db.collection('structures').updateOne({ _id: document._id }, [{ $set: newDoc }]);
+    await db
+      .collection('structures')
+      .updateOne({ _id: document._id }, [
+        { $set: newDoc },
+        { $unset: ['equipmentsDetails', 'nomDeLusager', 'statutJuridique', 'documentsMeeting'] },
+      ]);
   }
   console.log(`Update done`);
 };
@@ -26,9 +31,7 @@ export const down = async () => {
 };
 
 function updateStructure(doc) {
-  doc = updateHours(doc);
-  doc = removeUnusedFields(doc);
-  return doc;
+  return updateHours(doc);
 }
 
 function downgradeStructure(doc) {
@@ -85,19 +88,3 @@ function formatBackHours(hour): number {
   const splitedHour = hour.split(':');
   return parseInt(''.concat(...splitedHour), 10);
 }
-
-function removeUnusedFields(doc) {
-  if (doc['equipmentDetails']) {
-    delete doc['equipmentDetails'];
-  }
-  if (doc['nomDeLusager']) {
-    delete doc['nomDeLusager'];
-  }
-  if (doc['statutJuridique']) {
-    delete doc['statutJuridique'];
-  }
-  if (doc['documentsMeeting']) {
-    delete doc['documentsMeeting'];
-  }
-  return doc;
-}