delete a branch in your local repository code example
Example 1: remove branch local git
$ git branch -d branch_name
$ git branch -D branch_name
Example 2: delete branch from github mcd
$ git branch -d branch_name
$ git branch -D branch_name
$ git branch -d branch_name
$ git branch -D branch_name
$ git branch -d branch_name
$ git branch -D branch_name