x86/Voyager: remove KVM Kconfig quirk

Voyager and other subarchitectures have this Kconfig quirk:

 	select HAVE_KVM if ((X86_32 && !X86_VOYAGER && !X86_VISWS && !X86_NUMAQ) || X86_64)

This is unnecessary, as KVM cleanly detects based on CPUID capabilities.

Signed-off-by: Ingo Molnar <mingo@elte.hu>