If you accidentally create a passphrase for a git SSH key that requires you to type it for each git pull and git push
you can just reset the password to blank:
$ ssh-keygen -p
Enter file in which the key is (/home/username/.ssh/id_rsa):
Enter old passphrase: *************
Enter new passphrase (empty for no passphrase):
Enter same passphrase again:
Your identification has been saved with the new passphrase.
When is asks for a new passphrase, just leave it empty. Then you can git push and git pull without a passphrase!