[twitter] remove login support (#4202 #6029 #6040 #8362)

broken feature

docs/configuration.rst

@@ -573,7 +573,6 @@ Description
     * ``subscribestar``
     * ``tapas``
     * ``tsumino``
-    * ``twitter``
     * ``vipergirls``
     * ``zerochan``
 
@@ -6052,19 +6051,6 @@ Description
         Wait for ``N`` seconds
 
 
-extractor.twitter.relogin
--------------------------
-Type
-    ``bool``
-Default
-    ``true``
-Description
-    When receiving a "Could not authenticate you" error while logged in with
-    `username & password <extractor.*.username & .password_>`__,
-    refresh the current login session and
-    try to continue from where it left off.
-
-
 extractor.twitter.locked
 ------------------------
 Type