bionic libc tests: clean up tests for seteuid call

Clean up files and settings for seteuid test here,
Since the tests will be migrated to unistd.seteuid* test
in bionic/tests/unistd_test.cpp file

Change-Id: Ia24b03c1e9a73e5e6c532e591a9d532253f0b9d1
Signed-off-by: Yongqin Liu <yongqin.liu@linaro.org>
2 files changed