Revert "Validate deployed vm via SSH and agent id."

This reverts commit b959236.

Failing on the vsphere/vcloud pipeline, need to fix this spec.

spec/system/with_release_stemcell_spec.rb

@@ -119,22 +119,15 @@ def matchdata_to_h(matchdata)
     it 'should have network access to the vm using the manual static ip' do
       skip "not applicable for dynamic networking" if dynamic_networking?
 
-      ssh_with_agent_forwarding = @our_ssh_options.merge(forward_agent: true)
-      vm = wait_for_vm('colocated/0')
-      ssh_cmd = "ssh -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no vcap@#{static_ip} hostname"
-
-      expect(vm).to_not be_nil
-      expect(static_ip).to_not be_nil
-      expect(ssh(director_ip, 'vcap', ssh_cmd, ssh_with_agent_forwarding)).to match /#{vm[:agent_id]}/
+      expect(static_ip).not_to be_nil
+      expect(ssh_sudo(director_ip, 'vcap', "ping -qc1 #{static_ip}; echo $?", ssh_options)).to end_with("0\n")
     end
 
     it 'should have network access to the vm using the vip' do
       skip "vip network isn't supported" unless includes_vip?
 
-      vm = wait_for_vm('colocated/0')
-      expect(vm).to_not be_nil
-      expect(vip).to_not be_nil
-      expect(ssh(vip, 'vcap', 'hostname', @our_ssh_options)).to match /#{vm[:agent_id]}/
+      expect(vip).not_to be_nil
+      expect(ssh(vip, 'vcap', '/sbin/ifconfig eth0', @our_ssh_options)).to match /#{static_ip}/
     end
 
     context 'changing the persistent disk size' do