Update all the samples, so that there is not config-prompt when
recalling samples. This is no upgrade, it's just about having
new options set (y or n) in the samples.
Also, get rid of the armeb-test_nptl-linux-uclibcgnueabi, it's no
longer needed, there's a non-test sample with uClibc NPTL, now.
Signed-off-by: "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>