Remove unnecessary 'if' macros for previous kernel versions.
After removing kernel 6.1 the kernel is always >= 6.6 so the conditions
are unnecessary.
Signed-off-by: Mieczyslaw Nalewaj <namiltd@yahoo.com>
[removed some more and also no longer include version.h]
Signed-off-by: Daniel Golle <daniel@makrotopia.org>