Description of problem: 

With bulk import flow, i selected a repo and created pull request but the PR shows it has conflict https://github.com/arunkumars08/fabric8-recommender/pull/12 

Prerequisites (if any, like setup, operators/versions): Install and configure bulk import 

Steps to Reproduce

1. Click on Bulk import sidebar nav
2. Click on add
3. Select repo , preview file (added labels), Save , Create pull request
4. Merge the PR in GH
5. Delete catalog-info.yaml file from the repo
6. Delete the repo added from the UI in Added repositories table
7. Repeat step 1 to 3 (don't add any labels)

Actual results:

pull request got created for the second time but the PR shows it has conflict https://github.com/arunkumars08/fabric8-recommender/pull/12  

Expected results:

PR should be created without any conflict

Reproducibility (Always/Intermittent/Only Once):

Always

Build Details:

Additional info (Such as Logs, Screenshots, etc):