Remove Barreleye footprint from test

Changes:
     - Replace examples and code with Witherspoon.
     - Delete data/Barreleye.py file.
     - Remove command from tox.ini.

Change-Id: Ib61723dc0a0f3961da6d72f1dd65914c9c62079b
Signed-off-by: George Keishing <gkeishin@in.ibm.com>
diff --git a/lib/utilities.py b/lib/utilities.py
index ce8fa3b..5093333 100755
--- a/lib/utilities.py
+++ b/lib/utilities.py
@@ -74,7 +74,7 @@
 ################################################################
 #  This will return the URI's of the FRU type
 #
-#  i.e.  get_inventory_fru_type_list('../data/Barreleye.py', 'CPU')
+#  i.e.  get_inventory_fru_type_list('../data/Witherspoon.py', 'CPU')
 #
 #  [/org/openbmc/inventory//system/chassis/motherboard/cpu0,
 #   /org/openbmc/inventory//system/chassis/motherboard/cpu1]