test: Drop redundant TestMultiMachine.testFIPS
test: Drop redundant TestMultiMachine.testFIPS

FIPS is tested by the crypto-policy checks in TestSystemInfo. This check
just boots two more VMs in vain.

mvollmer/cockpit,cockpit-project/cockpit,martinpitt/cockpit,cockpit-project/cockpit,martinpitt/cockpit,martinpitt/cockpit,mvollmer/cockpit,martinpitt/cockpit,mvollmer/cockpit,mvollmer/cockpit,mvollmer/cockpit,cockpit-project/cockpit,martinpitt/cockpit,cockpit-project/cockpit,cockpit-project/cockpit