Revert "Added missing strings in codes.py"

This reverts commit c7c10f5220877607fcd2bd84f029d2ac28917034.
Revert "CLOUDSTACK-6257: Adding function to check state of VM"

This reverts commit 1be8b87fb7fb0203464ac4c66596008855ac5041.
Cloudstack-5077: reserve cpu and memory only when vmware.reserve.cpu/mem are set to true. Insted of setting the ovecommit values to one on upgrade, we popultate them from the global values.

Conflicts:
	engine/schema/src/com/cloud/upgrade/dao/Upgrade410to420.java
	engine/schema/src/com/cloud/upgrade/dao/Upgrade420to421.java
	plugins/hypervisors/vmware/src/com/cloud/hypervisor/vmware/resource/VmwareResource.java