libxl: do not modify static-max after domain creation

static-max represents the maximum memory the domain can ever have,
therefore it shouldn't be changed after domain creation.

[adjusted to cope with code movement since patch series written -iwj]

Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Acked-by: Ian Jackson <ian.jackson@eu.citrix.com>
Signed-off-by: Ian Jackson <ian.jackson@eu.citrix.com>

tools/libxl/libxl.c

@@ -2768,9 +2768,6 @@ int libxl_domain_setmaxmem(libxl_ctx *ctx, uint32_t domid, uint32_t max_memkb)
         goto out;
     }
 
-    if (domid != 0)
-        libxl__xs_write(&gc, XBT_NULL, libxl__sprintf(&gc, "%s/memory/static-max", dompath), "%"PRIu32, max_memkb);
-
     rc = 0;
 out:
     libxl__free_all(&gc);