Importing Repos from Github with incorrect auth details hang the importer (BB-2820)

I attempted to import my repository from Github but was unable to do so using any of the URLs I could determine for the repository. After attempting to connect without my username and password to my private repo, the github importer remains stuck at 80% and still acts as though it's occupying my account. Every time I load the repo I'm confronted to begin the import process and blocked from removing the repository manually.