Remove the vmware_esxi_version attribute (#2774)
Remove the vmware_esxi_version attribute (#2774)

- ESXi is only one type of VMware hypervisor arch

Signed-off-by: Xiangce Liu <6f4946a173cc16b4c8ed6d9f6e7adce8344c97fc@redhat.com>
RedHatInsights/insights-core,RedHatInsights/insights-core