Remove Deprecated Driver API Tracing Tests (#245)

- Remove the no longer supported Driver API Tracing Tests leaving only
  the tests for the tracing layer.

Signed-off-by: Neil R. Spruit <[email protected]>

Author: nrspruit

conformance_tests/tools/CMakeLists.txt

@@ -1,7 +1,6 @@
 # Copyright (C) 2019-2021 Intel Corporation
 # SPDX-License-Identifier: MIT
 
-add_subdirectory(tracing)
 add_subdirectory(metrics)
 add_subdirectory(pin)
 add_subdirectory(debug)