Remove migrations to pass pipeline

core/migrations/0020_merge_20191006_2024.py

-# -*- coding: utf-8 -*-
-# Generated by Django 1.11.17 on 2019-10-06 13:24
-from __future__ import unicode_literals
-
-from django.db import migrations
-
-
-class Migration(migrations.Migration):
-
-    dependencies = [
-        ('core', '0017_vacancy_amount'),
-        ('core', '0019_merge_20191006_0852'),
-        ('core', '0014_auto_20191004_1340'),
-    ]
-
-    operations = [
-    ]