target/i386: Remove FRED dependency on WRMSRNS

target/i386: Remove FRED dependency on WRMSRNS

WRMSRNS doesn't become a required feature for FERD, and Linux has
removed the dependency, as such remove it from Qemu.

Cc: qemu-stable@nongnu.org
Signed-off-by: Xin Li (Intel) <xin@zytor.com>
Reviewed-by: Xiaoyao Li <xiaoyao.li@intel.com>
Link: https://lore.kernel.org/r/20250103084827.1820007-2-xin@zytor.com
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
(cherry picked from commit 0b901459a87a7fdbed36e574aae33e0635a3e9af)
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>