Fixed location of OAuth link. Removed instance member github_username from CLI

lib/learn_config/cli.rb

@@ -1,18 +1,13 @@
 module LearnConfig
   class CLI
-    attr_reader   :github_username
     attr_accessor :token
 
-    def initialize(github_username)
-      @github_username = github_username
-    end
-
     def ask_for_oauth_token(short_text: false, retries_remaining: 5)
       if !short_text
         puts <<-LONG
 To connect with the Learn web application, you will need to configure
 the Learn gem with an OAuth token. You can find yours at the bottom of your profile
-page at: https://learn.co/#{github_username ? github_username : 'your-github-username'}.
+page at: https://base.flatironschool.com/account/manage.
 
         LONG
 

lib/learn_config/setup.rb

@@ -217,8 +217,7 @@ def setup_learn_config_machine
       login, password = netrc.read
 
       if (!login || !password) || !LearnWeb::Client.new(token: password, silent_output: true).valid_token?
-        github_username, _uid = netrc.read(machine: 'flatiron-push')
-        oauth_token = LearnConfig::CLI.new(github_username).ask_for_oauth_token
+        oauth_token = LearnConfig::CLI.new.ask_for_oauth_token
         netrc.write(new_login: 'learn', new_password: oauth_token)
       end
     end