More informative descriptions for parametrized jobs

In particular, highlight the fact that some jobs run (almost) nothing
by default.

Change-Id: Ibd6a52f5d73dc45e72bf26bf10a740a1def9e1b3
diff --git a/mbedtls-restricted-release-new.yaml b/mbedtls-restricted-release-new.yaml
index 27f84f9..7f1a2a4 100644
--- a/mbedtls-restricted-release-new.yaml
+++ b/mbedtls-restricted-release-new.yaml
@@ -1,6 +1,6 @@
 - job:
     concurrent: true
-    description: Mbed TLS Release job (new)
+    description: Mbed TLS release job
     disabled: false
     name: mbedtls-restricted-release-new
     parameters: