Remove builtins imports

This module is not intended to be used directly in most cases, per:
https://docs.python.org/3/library/builtins.html

None of our usages warrant the explicit import. We also avoid some
confusion as folks dig to see what we are doing to require
importing builtins directly.

evennia/server/portal/mccp.py

@@ -14,7 +14,6 @@ terribly slow connection.
 This protocol is implemented by the telnet protocol importing
 mccp_compress and calling it from its write methods.
 """
-from builtins import object
 import zlib
 
 # negotiations for v1 and v2 of the protocol

evennia/server/portal/mssp.py

@@ -10,7 +10,6 @@ active players and so on.
 
 
 """
-from builtins import object
 from django.conf import settings
 from evennia.utils import utils
 

evennia/server/portal/mxp.py

@@ -13,7 +13,6 @@ http://www.mushclient.com/mushclient/mxp.htm
 http://www.gammon.com.au/mushclient/addingservermxp.htm
 
 """
-from builtins import object
 import re
 
 LINKS_SUB = re.compile(r'\|lc(.*?)\|lt(.*?)\|le', re.DOTALL)

evennia/server/portal/naws.py

@@ -10,7 +10,6 @@ client and update it when the size changes
 
 """
 from codecs import encode as codecs_encode
-from builtins import object
 from django.conf import settings
 
 NAWS = b'\x1f'

evennia/server/portal/portal.py

@@ -7,8 +7,6 @@ sets up all the networking features.  (this is done automatically
 by game/evennia.py).
 
 """
-from builtins import object
-
 import sys
 import os
 import time

evennia/server/portal/rss.py

@@ -5,8 +5,6 @@ This connects an RSS feed to an in-game Evennia channel, sending messages
 to the channel whenever the feed updates.
 
 """
-from builtins import object
-
 from twisted.internet import task, threads
 from django.conf import settings
 from evennia.server.session import Session

evennia/server/portal/ssh.py

@@ -9,7 +9,6 @@ Using standard ssh client,
 
 """
 
-from builtins import object
 import os
 import re
 

evennia/server/portal/suppress_ga.py

@@ -13,7 +13,6 @@ It is set as the NOGOAHEAD protocol_flag option.
 http://www.faqs.org/rfcs/rfc858.html
 
 """
-from builtins import object
 SUPPRESS_GA = b'\x03'
 
 # default taken from telnet specification

evennia/server/portal/telnet_oob.py

@@ -25,7 +25,6 @@ client supports MSDP and if not, we fallback to GMCP with a MSDP
 header where applicable.
 
 """
-from builtins import object
 import re
 import json
 from evennia.utils.utils import is_iter

evennia/server/portal/ttype.py

@@ -10,7 +10,6 @@ etc. If the client does not support TTYPE, this will be ignored.
 All data will be stored on the protocol's protocol_flags dictionary,
 under the 'TTYPE' key.
 """
-from builtins import object
 
 # telnet option codes
 TTYPE = b'\x18'

evennia/server/profiling/dummyrunner.py

@@ -32,8 +32,6 @@ for instructions on how to define this module.
 """
 
 
-from builtins import range
-
 import sys
 import time
 import random

evennia/server/server.py

@@ -7,7 +7,6 @@ sets up all the networking features.  (this is done automatically
 by evennia/server/server_runner.py).
 
 """
-from builtins import object
 import time
 import sys
 import os

evennia/server/serversession.py

@@ -6,8 +6,6 @@ connection actually happens (so it's the same for telnet, web, ssh etc).
 It is stored on the Server side (as opposed to protocol-specific sessions which
 are stored on the Portal side)
 """
-from builtins import object
-
 import weakref
 import time
 from django.utils import timezone

evennia/server/session.py

@@ -3,7 +3,6 @@ This module defines a generic session class. All connection instances
 (both on Portal and Server side) should inherit from this class.
 
 """
-from builtins import object
 from django.conf import settings
 
 import time

evennia/server/sessionhandler.py

@@ -13,7 +13,6 @@ There are two similar but separate stores of sessions:
 
 """
 import time
-from builtins import object
 
 from django.conf import settings
 from evennia.commands.cmdhandler import CMD_LOGINSTART