Password authentication is temporarily disabled as part of a brownout.

Hi Joseph, this error happens because your ‘git remove’ needs to use a personal token instead of your personal password to apply the command so you need to go to //github.com/settings/tokens then generate a new personal token and allow the repo like this screenshot then you will get a personal access token,and then update the URL of the remote access using this command 

sudo git remote set-url origin //PERSONAL_TOKEN_HERE@GIT_URL_HERE.git

and that's all hope you can figure out this issue