Clean up rust_test_host TEST_MAPPING after default update am: b8bba2380d am: f7add38751 am: 600080cdec

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/bitflags/+/1582230

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: Ibaa89d58028f2aadb92039b5268c9d0aeccd7287
diff --git a/TEST_MAPPING b/TEST_MAPPING
index c3fc666..4c07fed 100644
--- a/TEST_MAPPING
+++ b/TEST_MAPPING
@@ -2,17 +2,9 @@
 {
   "presubmit": [
     {
-      "host": true,
-      "name": "bitflags_host_test_src_lib"
-    },
-    {
       "name": "bitflags_device_test_src_lib"
     },
     {
-      "host": true,
-      "name": "libsqlite3-sys_host_test_src_lib"
-    },
-    {
       "name": "libsqlite3-sys_device_test_src_lib"
     }
   ]