Revert "Use b.pypi.python.org pypi mirror instead of pypi."

This reverts commit 1bac243171.

Turns out b.pypi.python.org is not a very complete mirror and ends up
creating new problems. Stop using it.

Change-Id: I640fad26cd8bd2546f73de460fd0dd944484d843
Reviewed-on: https://review.openstack.org/23321
Reviewed-by: Jeremy Stanley <fungi@yuggoth.org>
Reviewed-by: James E. Blair <corvus@inaugust.com>
Approved: James E. Blair <corvus@inaugust.com>
Tested-by: Jenkins

modules/jenkins/files/pip.conf

@@ -1,3 +1,3 @@
 [global]
 index-url = http://pypi.openstack.org
-extra-index-url = http://b.pypi.python.org/simple
+extra-index-url = http://pypi.python.org/simple

modules/jenkins/files/pydistutils.cfg

@@ -1,2 +1,2 @@
 [easy_install]
-index_url = http://b.pypi.python.org/simple
+index_url = http://pypi.openstack.org

modules/jenkins/manifests/jenkinsuser.pp

@@ -52,11 +52,7 @@ class jenkins::jenkinsuser(
   }
 
   file { '/home/jenkins/.pydistutils.cfg':
-    ensure  => present,
-    owner   => 'jenkins',
-    group   => 'jenkins',
-    mode    => '0640',
-    source  => 'puppet:///modules/jenkins/pydistutils.cfg',
+    ensure  => absent,
     require => File['/home/jenkins'],
   }