Revert "Separate AVFHostTestCases from avf-postsubmit"

This reverts commit 951465714914697d11b1454f69c7baf3dd0809aa.

Reason for revert: David recommended to change code instead of test config

Change-Id: Id18056fb5802bb8bb8748f4d203fa577f85fe620
diff --git a/TEST_MAPPING b/TEST_MAPPING
index ea3ab74..14452a3 100644
--- a/TEST_MAPPING
+++ b/TEST_MAPPING
@@ -34,9 +34,7 @@
     },
     {
       "name": "ComposBenchmarkApp"
-    }
-  ],
-  "avf-postsubmit-userdebug": [
+    },
     {
       "name": "AVFHostTestCases"
     }