arch/x86: Remove redundant set_bit(EFI_MEMMAP) call

Remove redundant set_bit(EFI_MEMMAP, &efi.flags) call.
It is executed earlier in efi_memmap_init().

Signed-off-by: Daniel Kiper <daniel.kiper@oracle.com>
Signed-off-by: Matt Fleming <matt.fleming@intel.com>

arch/x86/platform/efi/efi.c

@@ -534,8 +534,6 @@ void __init efi_init(void)
 	if (efi_memmap_init())
 		return;
 
-	set_bit(EFI_MEMMAP, &efi.flags);
-
 	print_efi_memmap();
 }