Revert "Ensure latest setuptools after installing pip."

This reverts commit d1b79539c4.
This commit was breaking devstack-gate for stable/grizzly changes.

Change-Id: I6b138d7ed5f8ad0362801b569dd46834d41b4cf7

modules/pip/manifests/init.pp

@@ -12,12 +12,6 @@ class pip {
     require => Package[$::pip::params::python_devel_package]
   }
 
-  package { 'setuptools':
-    ensure   => latest,
-    provider => pip,
-    require  => Package[$::pip::params::python_pip_package],
-  }
-
   if ($::operatingsystem in ['CentOS', 'RedHat']) {
 
     file { '/usr/bin/pip':

modules/pip/manifests/python3.pp

@@ -12,10 +12,4 @@ class pip::python3 {
     require => Package[$::pip::params::python3_devel_package]
   }
 
-  package { 'setuptools':
-    ensure   => latest,
-    provider => pip3,
-    require  => Package[$::pip::params::python3_pip_package],
-  }
-
 }