Revert "m2-master switch to dbproxy1002". All services switched cleanly except eventlogging, which needs firewall changes. So let them switch back and try another day.

This reverts commit add7aa6c24ba0e7d628df21a985db36c13f0359b.

Change-Id: I862947a309b3274231fbac45a32b48f9db517ac7