Revert "EmbeddedPkg/AndroidFastboot: add delay before reboot"

This reverts commit af60f944df3f405235f1bcdc8a6682628429c753.

Since the similar function is merged into ARM Trusted Firmware,
we don't need to implement it in edk2 common code any more.

Signed-off-by: Haojian Zhuang <haojian.zhuang@linaro.org>
2 files changed