Disable default status reports on pr-ci-testing

Signed-off-by: Bence Szépkúti <bence.szepkuti@arm.com>
Change-Id: I3e8161f8a6a6ae69be76a922b31c1f4f518e9210
diff --git a/mbed-tls-restricted-pr-ci-testing.yaml b/mbed-tls-restricted-pr-ci-testing.yaml
index 2f31c8a..ed598e5 100644
--- a/mbed-tls-restricted-pr-ci-testing.yaml
+++ b/mbed-tls-restricted-pr-ci-testing.yaml
@@ -45,6 +45,9 @@
         branch-discovery: no-pr
         discover-pr-origin: both
         head-filter-regex: 'PR-(758|759|850|906|916|919)-.*'
+        status-checks:
+          skip: true
+          skip-branch-source-notifications: true
         property-strategies:
           all-branches:
           - pipeline-branch-durability-override: performance-optimized