Remove unused tests for mainline test mapping.

These tests are not used for mainline test mapping suite, so remove
them

Bug: 171458553
Test: unittests.
Change-Id: Ib5ff3991ea8241731225ca54412a44e3d13a1331
(cherry picked from commit 32176c08667f650a7860c711c9ff1c9709ecb3c5)
Merged-In: Ib5ff3991ea8241731225ca54412a44e3d13a1331
diff --git a/tests/example/native/Android.bp b/tests/example/native/Android.bp
index 2375d04..c28bcb5 100644
--- a/tests/example/native/Android.bp
+++ b/tests/example/native/Android.bp
@@ -15,11 +15,6 @@
 cc_test {
     name: "hello_world_test",
     srcs: ["HelloWorldTest.cpp"],
-    // TODO (b/158958526): This is an example of mainline testing in Test
-    // Mapping Suite. Will remove this after all work fine.
-    test_mainline_modules: [
-        "com.google.android.cellbroadcast.apex"
-    ],
 
     cflags: [
         "-Wall",
diff --git a/tests/example/native/TEST_MAPPING b/tests/example/native/TEST_MAPPING
index d074c4b..480ac64 100644
--- a/tests/example/native/TEST_MAPPING
+++ b/tests/example/native/TEST_MAPPING
@@ -1,9 +1,4 @@
 {
-  "mainline-presubmit": [
-    {
-      "name": "hello_world_test[com.google.android.cellbroadcast.apex]"
-    }
-  ],
   "presubmit": [
     {
       "name": "hello_world_test"