Remove HIGH connectivity from dump test

ConnectivityServiceInitializer replace the way to publish
connectivity service which will not receive HIGH priority dump
anymore. Thus, remove the HIGH connectivity from the dump test
since it's no longer expected.

Test: atest dumpstate_smoke_test
Fix: 182526479
Bug: 172183305
Change-Id: I0346888c861daf413c31301a748ad70acf41f633