tests: Remove redundant lxc test

This test was added in 2d40e2da7b to ensure LXC domains could be
defined correctly when caps probing was skipped due to SKIP_OSTYPE.
However we do caps probing unconditionally now, so this test case
is redundant

Acked-by: Michal Privoznik <mprivozn@redhat.com>
Signed-off-by: Cole Robinson <crobinso@redhat.com>

tests/lxcxml2xmltest.c

@@ -96,8 +96,6 @@ mymain(void)
     DO_TEST("sharenet");
     DO_TEST("ethernet");
     DO_TEST("ethernet-hostip");
-    DO_TEST_FULL("filesystem-root", 0, false,
-                 VIR_DOMAIN_DEF_PARSE_SKIP_OSTYPE_CHECKS);
     DO_TEST("initenv");
     DO_TEST("initdir");
     DO_TEST("inituser");