Removed references of VC 6.5 and VC 6.7. These releases are officially out of support.

Author: singhk

README.md

@@ -21,8 +21,8 @@ samples require the vSphere Management SDK packages (pyVmomi) to be installed on
 The samples have been developed to work with python 3.8+
 
 ## Supported OnPrem vCenter Releases
-vCenter 6.5, 6.7, 7.0, 7.0U1, 7.0U2 and 7.0U2 mp1, 7.0U3, 7.0.3.2
-Certain APIs and samples that are introduced in 6.5 release, such as vCenter, Virtual Machine and Appliance Management. Please refer to the notes in each sample for detailed compatibility information.
+vCenter 7.0, 7.0U1, 7.0U2, 7.0U3, 7.0.3.2, 8.0.
+Please refer to the notes in each sample for detailed compatibility information.
 
 ## Supported NSX-T Releases
 NSX-T 2.2 - 4.0 and VMC 1.7 - 1.20
@@ -262,7 +262,7 @@ $ python samples/vsphere/vcenter/vm/list_vms.py -v
 * Previous Releases:	vSphere [8.0.0.0](https://vmware.github.io/vsphere-automation-sdk-python/vsphere/8.0.0.0/),
 vSphere [7.0.3.2](https://vmware.github.io/vsphere-automation-sdk-python/vsphere/7.0.3.2/),
 [7.0 U3](https://vmware.github.io/vsphere-automation-sdk-python/vsphere/7.0.3.0/)
-[7.0 U2](https://vmware.github.io/vsphere-automation-sdk-python/vsphere/7.0.2.0/),   [7.0 U1](https://vmware.github.io/vsphere-automation-sdk-python/vsphere/7.0.1.0/),   [7.0](https://vmware.github.io/vsphere-automation-sdk-python/vsphere/7.0.0.1/),   [6.7.0](https://vmware.github.io/vsphere-automation-sdk-python/vsphere/6.7.0),    [6.6.1](https://vmware.github.io/vsphere-automation-sdk-python/vsphere/6.6.1),    [6.5](https://vmware.github.io/vsphere-automation-sdk-python/vsphere/6.5).
+[7.0 U2](https://vmware.github.io/vsphere-automation-sdk-python/vsphere/7.0.2.0/),   [7.0 U1](https://vmware.github.io/vsphere-automation-sdk-python/vsphere/7.0.1.0/),   [7.0](https://vmware.github.io/vsphere-automation-sdk-python/vsphere/7.0.0.1/).
 
 ### VMware Cloud on AWS API Documentation