Disable manual and time triggered jobs

These jobs have been enabled on the production
 mbed-tls-nightly-tests.yaml
 mbed-tls-restricted-pr-test-parametrized.yaml
 mbedtls-dockerfile-builder.yaml
 mbedtls-release-ci-testing.yaml
 mbedtls-restricted-release-new.yaml

Signed-off-by: Arthur She <arthur.she@linaro.org>
Change-Id: Ic227626c4eac0387cd039ce3ead828def8066885
diff --git a/mbedtls-dockerfile-builder.yaml b/mbedtls-dockerfile-builder.yaml
index c9a38ea..bc69a9b 100644
--- a/mbedtls-dockerfile-builder.yaml
+++ b/mbedtls-dockerfile-builder.yaml
@@ -1,7 +1,7 @@
 - job:
     concurrent: true
     description: Dockerfile building job.
-    disabled: false
+    disabled: true
     dsl: |-
       timestamps {
           stage('build-dockerfiles') {