Aruba CX: Replace "clear soft out" with "BGP session reset" (#2526)

It looks like "clear bgp all * soft out" is a no-op on ArubaCX; we need a bigger hammer.

Fix #2523

Author: ssasso

netsim/extra/bgp.policy/arubacx.j2

@@ -47,9 +47,7 @@ router bgp {{ bgp.as }}
 {% endfor %}
 {% endif %}
 !
-do clear bgp all * soft out
-do clear bgp all * soft in
+do clear bgp *
 {% for vname,vdata in (vrfs|default({})).items() if vdata.bgp is defined %}
-do clear bgp vrf {{vname}} all * soft in
-do clear bgp vrf {{vname}} all * soft out
+do clear bgp vrf {{vname}} *
 {% endfor %}