[PATCH -next] efi: Remove unused extern declaration efi_lookup_mapped_addr()

[YueHaibing]

Since commit 50a0cb565246 ("x86/efi-bgrt: Fix kernel panic when mapping BGRT data")
this extern declaration is not used anymore.

Signed-off-by: YueHaibing <yuehaibing@xxxxxxxxxx>
---
 include/linux/efi.h | 1 -
 1 file changed, 1 deletion(-)

diff --git a/include/linux/efi.h b/include/linux/efi.h
index c31a9895ecb8..d4ec0d9c896f 100644
--- a/include/linux/efi.h
+++ b/include/linux/efi.h
@@ -727,7 +727,6 @@ static inline efi_status_t efi_query_variable_store(u32 attributes,
 	return EFI_SUCCESS;
 }
 #endif
-extern void __iomem *efi_lookup_mapped_addr(u64 phys_addr);
 
 extern int __init __efi_memmap_init(struct efi_memory_map_data *data);
 extern int __init efi_memmap_init_early(struct efi_memory_map_data *data);
-- 
2.34.1