refactor(measured-boot): remove unused test configs

Removed unused test configurations since they now use the 'romlb'
option for TFA build configurations [1]

[1]: https://review.trustedfirmware.org/c/ci/tf-a-ci-scripts/+/15135

Change-Id: Ic97b48076fcae204855f1eafb4e2f943c2635a29
Signed-off-by: Manish V Badarkhe <Manish.Badarkhe@arm.com>
3 files changed