dont add vendor tools to PATH

these tools are called by relative or full path
(squisher, opticharger and leoupdate)

Signed-off-by: Tanguy Pruvot <tanguy.pruvot@gmail.com>

Change-Id: I6c40e64ccdeabd8c5f7d55b40315b933345f8ef7
diff --git a/vendorsetup.sh b/vendorsetup.sh
index 08e5010..6a08d27 100644
--- a/vendorsetup.sh
+++ b/vendorsetup.sh
@@ -46,4 +46,3 @@
 add_lunch_combo cyanogen_zeppelin-eng
 add_lunch_combo cyanogen_zero-eng
 
-PATH=$PATH:$PWD/vendor/cyanogen/tools ; export PATH