[PATCH 09/12] swiotlb-xen: drop DEFAULT_NSLABS

[Jan Beulich]

It was introduced by 4035b43da6da ("xen-swiotlb: remove xen_set_nslabs")
and then not removed by 2d29960af0be ("swiotlb: dynamically allocate
io_tlb_default_mem").

Signed-off-by: Jan Beulich <jbeul...@suse.com>

--- a/drivers/xen/swiotlb-xen.c
+++ b/drivers/xen/swiotlb-xen.c
@@ -152,8 +152,6 @@ static const char *xen_swiotlb_error(enu
        return "";
 }
 
-#define DEFAULT_NSLABS         ALIGN(SZ_64M >> IO_TLB_SHIFT, IO_TLB_SEGSIZE)
-
 int xen_swiotlb_init(void)
 {
        enum xen_swiotlb_err m_ret = XEN_SWIOTLB_UNKNOWN;