Update TEST_MAPPING

Test: None

Bug: 236006683
Change-Id: I0cd6ee5d422f15ceaeff1fb0bf85c3d93277f90c
diff --git a/TEST_MAPPING b/TEST_MAPPING
index f1f81cf..2f7de78 100644
--- a/TEST_MAPPING
+++ b/TEST_MAPPING
@@ -1,10 +1,5 @@
 // Generated by update_crate_tests.py for tests that depend on this crate.
 {
-  "postsubmit": [
-    {
-      "name": "libcert_request_validator_tests"
-    }
-  ],
   "presubmit": [
     {
       "name": "libcert_request_validator_tests"