Remove default value for fillCreated field

Author: cbovis

src/consumers/fetch-transaction/index.test.js

@@ -164,7 +164,6 @@ describe('consumers/fetch-transaction', () => {
 
     expect(events).toEqual([
       expect.objectContaining({
-        fillCreated: false,
         blockNumber: 10141741,
         data: {
           from: '0x36691C4F426Eb8F42f150ebdE43069A31cB080AD',

src/model/event.js

@@ -5,7 +5,7 @@ const { Schema } = mongoose;
 const schema = Schema({
   blockNumber: { required: true, type: Number },
   data: { required: true, type: Schema.Types.Mixed },
-  fillCreated: { type: Boolean, default: false },
+  fillCreated: { type: Boolean },
   logIndex: { required: true, type: Number },
   protocolVersion: { required: true, type: Number },
   scheduler: {