removed deprecated items from the connection string

Author: david-rocca

src/index.js

@@ -50,9 +50,7 @@ app.use((req, res, next) => {
 const dbConnectionStr = dbUtils.getMongoConnectionString()
 mongoose.connect(dbConnectionStr, {
   useNewUrlParser: true,
-  useUnifiedTopology: true,
-  useFindAndModify: false,
-  useCreateIndex: true
+  useUnifiedTopology: true
 })
 
 // database connection