Remove deprecated Javelin CLI utilities from Tempest

Javelin CLI utilities has been deprecated in Jan 2016
- Ie4ab5258946271a16e96a070abeedfafa5423714
which is over 6 months of Tempest deprecation period.

This patch removes the javelin CLI and corresponding doc/sample
files etc.

Change-Id: Ia59d3e81f245f29a7bf0f56b690586dfc55f16a0
diff --git a/releasenotes/notes/remove-javelin-276f62d04f7e4a1d.yaml b/releasenotes/notes/remove-javelin-276f62d04f7e4a1d.yaml
new file mode 100644
index 0000000..8e893b8
--- /dev/null
+++ b/releasenotes/notes/remove-javelin-276f62d04f7e4a1d.yaml
@@ -0,0 +1,5 @@
+---
+upgrade:
+  - The previously deprecated Javelin utility has been removed from Tempest.
+    As an alternative Ansible can be used to construct similar yaml workflows
+    to what Javelin used to provide.