buildroot

glibc: remove eglibc hashes

In commit 500de2598a4902a0e9ec53f7b475046ff17c6681, support for eglibc
was removed, but forgot to remove the corresponding hashes from the hash
file. This commit fixes this mistake.

Reported-by: Arnout Vandecappelle <arnout@mind.be>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>