Unneeded modifications to automake and coreutils

[Bruce Dubbs]

From Alexey Shlyonskikh via lfs-dev:

Automake:
    This command is no longer needed:
    sed -i "s/''/etags/" t/tags-lisp-space.sh
    what used to be `required=''` is now `required=etags`, so this one
has been fixed already

Coreutils:
    The test suppressed by this command should already be fixed (at
least, it shouldn't hang indefinitely anymore but fail after 10
minutes):
    sed -i '/test.lock/s/^/#/' gnulib-tests/gnulib.mk

Need to check this out.

[Bruce Dubbs]

Fixed at commit 0b1054551522a77af69069a96269436e9165230a

Fackage updates and fixes.
    Remove unneeded sed commands from automake and coreutils.
    Update to linux-5.13.7.
    Update to e2fsprogs-1.46.3.