Revert "Added 'login' command that gives you a link that can be used to login to the website"

This reverts commit b9d40f723b.

Conflicts:

	actions/login.php
	classes/statusnet.ini
	db/08to09.sql
	db/08to09_pg.sql
	db/statusnet_pg.sql
	lib/command.php
	lib/commandinterpreter.php

lib/commandinterpreter.php

@@ -41,12 +41,6 @@ class CommandInterpreter
                 return null;
             }
             return new HelpCommand($user);
-         case 'login':
-            if ($arg) {
-                return null;
-            } else {
-                return new LoginCommand($user);
-            }
          case 'subscribers':
             if ($arg) {
                 return null;