MdeModulePkg: Use newly defined Unaccepted Memory Type

EFI_RESOURCE_MEMORY_UNACCEPTED has been officially defined in the PI
1.8 specification. So all temporary solutions have been replaced with
the actual definition.

Cc: Felix Polyudov <felixp@ami.com>
Cc: Dhanaraj V <vdhanaraj@ami.com>
Cc: Liming Gao <gaoliming@byosoft.com.cn>
Signed-off-by: Sachin Ganesh <sachinganesh@ami.com>
Reviewed-by: Liming Gao <gaoliming@byosoft.com.cn>
4 files changed