Baremetal test config: "mbed-trace" is now available by default

Author: LDong-Arm

TESTS/configs/baremetal.json

@@ -13,7 +13,6 @@
         "filesystem",
         "littlefs",
         "littlefs2",
-        "mbed-trace",
         "device_key",
         "storage_tdb_internal",
         "storage_filesystem",