Disable GitHub-triggered jobs on the staging

All mbedtls jobs are running on the production only
from now on

Signed-off-by: Arthur She <arthur.she@linaro.org>
Change-Id: I8fa3eccd4934459848adf978a4311e48cbf3d6a9
diff --git a/mbed-tls-restricted-pr.yaml b/mbed-tls-restricted-pr.yaml
index e0cc7d9..16637cd 100644
--- a/mbed-tls-restricted-pr.yaml
+++ b/mbed-tls-restricted-pr.yaml
@@ -1,6 +1,7 @@
 - job:
     name: mbed-tls-restricted-pr
     description: 'mbedtls restricted PR job'
+    disabled: true
     project-type: multibranch
     prune-dead-branches: true
     days-to-keep: -1