Now that "issue1" has been successfully merged with "master", we can delete it.
We can delete a branch by calling the branch command and passing in the -d option, followed by the branch name.
$ git branch -d <branchname>
Run the following command to delete "issue1".
$ git branch -d issue1
Deleted branch issue1 (was b2b23c4).
We can verify that "issue1" has been deleted by calling "git branch". Only the master branch should be listed.
$ git branch
* master
