tests: Remove outdated tests

These tests are outdated and the latest version are in zephyr project.

Signed-off-by: 徐宪辉 <xhxu@listenai.com>
2 job 于test_sample_ztest in 7 minute 和 53 second (queued for 1 second)
状态 作业 ID 名称 覆盖率
  Ztest
已通过 #44253
zgsz-02 generic
ztest_build_only

00:07:53

已通过 #44254
zgsz-03 with-device
ztest_device_test

00:06:54