MdeModulePkg VariablePei: Don't check BOOT_IN_RECOVERY_MODE

MdeModulePkg VariablePei: Don't check BOOT_IN_RECOVERY_MODE

Don't check BOOT_IN_RECOVERY_MODE, but check PcdEmuVariableNvModeEnable
which platform can configure flexibly.

Cc: Jian J Wang <jian.j.wang@intel.com>
Cc: Hao Wu <hao.a.wu@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Star Zeng <star.zeng@intel.com>
Reviewed-by: Jian J Wang <jian.j.wang@intel.com>
Reviewed-by: Hao Wu <hao.a.wu@intel.com>
Tested-by: Julien Grall <julien.grall@arm.com>
Acked-by: Julien Grall <julien.grall@arm.com>