how delete the repo branch code example
Example: How to Delete Local/Remote Git Branches
$ git branch -a
# *master
# b1
# remote/origin/master
# remote/origin/b1
$ git push origin --delete b1
# [...]
# - [deleted] b1
$ git branch -a
# *master
# b1
# remote/origin/master
# remote/origin/b1
$ git push origin --delete b1
# [...]
# - [deleted] b1