Disable all jobs for testing

Change-Id: Ib87a9ffe99a6a39265521d6c1a6cc4cf68181274
diff --git a/mbedtls-gather-timestamps.yaml b/mbedtls-gather-timestamps.yaml
index eb8268c..8f1568d 100644
--- a/mbedtls-gather-timestamps.yaml
+++ b/mbedtls-gather-timestamps.yaml
@@ -2,7 +2,7 @@
     concurrent: true
     description: Mbed TLS job to gather timestamps from various jobs' runs
     name: mbedtls-gather-timestamps
-    disabled: false
+    disabled: true
     pipeline-scm:
       lightweight-checkout: true
       scm: