arm64/xen: Remove duplicate check for arguments

[Lee Jones]

From: Lee Jones <address@hidden>

arm64/xen: Remove duplicate check for arguments
    
Signed-off-by: Lee Jones <address@hidden>

diff --git a/grub-core/loader/arm64/xen_boot.c 
b/grub-core/loader/arm64/xen_boot.c
index 1b1dd8c65..5af15c70d 100644
--- a/grub-core/loader/arm64/xen_boot.c
+++ b/grub-core/loader/arm64/xen_boot.c
@@ -404,12 +404,6 @@ grub_cmd_xen_module (grub_command_t cmd 
__attribute__((unused)),
       argc--;
     }
 
-  if (!argc)
-    {
-      grub_error (GRUB_ERR_BAD_ARGUMENT, N_("filename expected"));
-      goto fail;
-    }
-
   if (!loaded)
     {
       grub_error (GRUB_ERR_BAD_ARGUMENT,