remove redundant https:// - #45

All committers have signed the CLA.

Thanks, it seems you need to pass the CLA and DCO checks first. 🙂

Signed-off-by: jilichao

@jilichao You need to squash and then sign your commits

• squash the 5 commits into 1:
  git rebase -i squash head~5
  

https://www.git-tower.com/learn/git/faq/git-squash/

• re-sign the new commit:
  git commit -s --amend

The commit has been messed up, maybe you can close this PR.
Fork the repo again and using a new branch to submit this PR
@jilichao

@benjaminhuo I submitted several times due to the internet issue before, and it should be fixed now.