efi_loader: Remove unnecessary debug

Remove unnecessary debug() from efi_set_variable_common().
native_name is NULL, so there is no meaning to print it.

Signed-off-by: Pragnesh Patel <pragnesh.patel@sifive.com>
Reviewed-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
diff --git a/lib/efi_loader/efi_variable.c b/lib/efi_loader/efi_variable.c
index fc7ae73..0a43db5 100644
--- a/lib/efi_loader/efi_variable.c
+++ b/lib/efi_loader/efi_variable.c
@@ -886,8 +886,6 @@
 	u32 attr;
 	efi_status_t ret = EFI_SUCCESS;
 
-	debug("%s: set '%s'\n", __func__, native_name);
-
 	if (!variable_name || !*variable_name || !vendor ||
 	    ((attributes & EFI_VARIABLE_RUNTIME_ACCESS) &&
 	     !(attributes & EFI_VARIABLE_BOOTSERVICE_ACCESS))) {