Replace simpljson imports with json

This has been in standard python since 2.6, and we don't really care
about supporting anything older than that (even our old and soon to
be upgraded environments use 2.7)

pgweb/account/views.py

@@ -15,7 +15,7 @@ import urllib
 from Crypto.Cipher import AES
 from Crypto import Random
 import time
-import simplejson as json
+import json
 
 from pgweb.util.decorators import ssl_required
 from pgweb.util.contexts import NavContext

pgweb/lists/views.py

@@ -3,7 +3,7 @@ from django.http import HttpResponse
 from django.views.decorators.csrf import csrf_exempt
 from django.conf import settings
 
-import simplejson as json
+import json
 
 from pgweb.util.contexts import NavContext
 from pgweb.mailqueue.util import send_simple_mail

pgweb/search/views.py

@@ -9,7 +9,7 @@ from pgweb.util.decorators import cache
 import httplib
 import urllib
 import psycopg2
-import simplejson as json
+import json
 import socket
 
 from lists.models import MailingList

requirements.txt

@@ -2,4 +2,3 @@ Django==1.4.5
 django-markdown==0.2.1
 psycopg2==2.5
 pycrypto==2.6
-simplejson==3.3.0

tools/communityauth/sample/django/auth.py

@@ -26,7 +26,7 @@ from django.contrib.auth import logout as django_logout
 from django.conf import settings
 
 import base64
-import simplejson
+import json
 import socket
 import urlparse
 import urllib
@@ -200,6 +200,6 @@ def user_search(searchterm=None, userid=None):
 						AES.MODE_CBC,
 						base64.b64decode(ivs, "-_"))
 	s = decryptor.decrypt(base64.b64decode(datas, "-_")).rstrip(' ')
-	j = simplejson.loads(s)
+	j = json.loads(s)
 
 	return j