efi_loader: remove superfluous NULL check in bootefi.c

efi_free_pool() and efi_delete_handle() both check if their argument is
NULL. The caller should not duplicate this check.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
diff --git a/cmd/bootefi.c b/cmd/bootefi.c
index aaed575..54b4b8f 100644
--- a/cmd/bootefi.c
+++ b/cmd/bootefi.c
@@ -481,10 +481,8 @@
 	ret = do_bootefi_exec(handle);
 
 out:
-	if (mem_handle)
-		efi_delete_handle(mem_handle);
-	if (file_path)
-		efi_free_pool(file_path);
+	efi_delete_handle(mem_handle);
+	efi_free_pool(file_path);
 	return ret;
 }