tests: Fix markers in srv6_static_route topotest

`srv6_static_route` is a pure staticd topotest. It does not have any
dependency on bgpd and sharpd.

Let's fix the pytestmark to include only staticd.

Signed-off-by: Carmine Scarpitta <[email protected]>

tests/topotests/srv6_static_route/test_srv6_route.py

@@ -27,7 +27,7 @@
 from lib.topogen import Topogen, TopoRouter, get_topogen
 from lib.topolog import logger
 
-pytestmark = [pytest.mark.bgpd, pytest.mark.sharpd]
+pytestmark = [pytest.mark.staticd]
 
 
 def open_json_file(filename):