Remove unfubar_setuptools

It is no longer used for anything, nor does it seem to be
needed in the modern world of get-pip.py.

Change-Id: I5554514dd862a2004454daf295abbcf9cf9f2bfb
diff --git a/lib/infra b/lib/infra
index e2f7dad..e18c66e 100644
--- a/lib/infra
+++ b/lib/infra
@@ -10,7 +10,6 @@
 
 # ``stack.sh`` calls the entry points in this order:
 #
-# - unfubar_setuptools
 # - install_infra
 
 # Save trace setting
@@ -26,19 +25,6 @@
 # Entry Points
 # ------------
 
-# unfubar_setuptools() - Unbreak the giant mess that is the current state of setuptools
-function unfubar_setuptools {
-    # this is a giant game of who's on first, but it does consistently work
-    # there is hope that upstream python packaging fixes this in the future
-    echo_summary "Unbreaking setuptools"
-    pip_install -U setuptools
-    pip_install -U pip
-    uninstall_package python-setuptools
-    pip_install -U setuptools
-    pip_install -U pip
-}
-
-
 # install_infra() - Collect source and prepare
 function install_infra {
     # bring down global requirements