misc: remove two header comments

It's ridiculous to have a header comment here.

Signed-off-by: Daniel Borkmann <dborkman@redhat.com>
cpusched: cleanups, refactoring and fix one bug

Fix the bug in "if (!entry == 0 && errno == ENOENT)" and also do some
cleanups, make the code more readable and remove useless stuff. Used
in curvetun.

Signed-off-by: Daniel Borkmann <dborkman@redhat.com>