Revert "Add CTS tests for exclude VPN routes APIs" am: f4882153ed am: bf8d513fda am: 2623bb352e

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/1927302

Change-Id: I81f1ae63aa32ead0eb5d0b3b65fd21e4ad07ab28