Migrated release script to use Buck exclusively.

Change-Id: I04371594b68071488788c4ecbdb896a6306a2a14
diff --git a/tools/build/onos-release b/tools/build/onos-release
index d4c1a80..774b0de 100755
--- a/tools/build/onos-release
+++ b/tools/build/onos-release
@@ -26,10 +26,14 @@
 onos-validate-change-version
 
 # Build ONOS & deploy to staging repo using the release profile.
-onos-build && onos-package --tar --zip && mvn -Prelease clean deploy -DskipTests
+onos-buck build onos
+time onos-buck-publish
 
 # Build ONOS docs
-onos-build-docs
+onos-buck build //docs:internal //docs:external
+
+# Package test tar.gz
+onos-buck build //:onos-test
 
 # Build ONOS archetypes & deploy to staging repo using the release profile.
 # Note that release of the staging repository is a separate manual step.