binutils: remove 2.24 hash
Commit d8878112ad3df2a3d9468cf40a2401b581e7e432 ("binutils: remove
deprecated 2.24.X") removed support for binutils 2.24, but forgot to
remove the hash from binutils.hash. This commit fixes that.
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>