Revert "Run the versioner as part of the build."

This reverts commit 45715b2a88c8daf5a721ce9b28391120f5507764.

Reason for revert: Darwin sucks

Change-Id: I004dd7fa5e14a43ffe04ace2f5a06341df61b8cd
diff --git a/PREUPLOAD.cfg b/PREUPLOAD.cfg
index 7b533a4..125b469 100644
--- a/PREUPLOAD.cfg
+++ b/PREUPLOAD.cfg
@@ -1,2 +1,3 @@
 [Hook Scripts]
+versioner = tools/versioner/preupload.sh
 notice = tools/update_notice.sh