e2e for basic and advance metrics

[nddq]

Opening this issue to keep track of related PRs, will will come from breaking down #209 into smaller pieces

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1. test: add DNS basic and advance metrics e2e #353
   area/infra area/metrics priority/1 scope/M +4
   
2. chore: remove old integration tests #358
   area/infra priority/1 scope/S +3
   
3. test(e2e): add e2e test for latency metrics in advanced scenario #414
   area/infra area/metrics priority/1 scope/S +4
   
4. test(e2e): Implement retriers for tests that could fail due to flakiness #449
   area/infra +1
   
5. test: e2e for basic and advance metrics on linux/arm64 and windows/amd64 since right now we are only checking for metrics in linux/amd64 nodes #450
   1 of 1
   area/infra +1
   
6. test: e2e for other CNI other than Azure #451
   area/infra +1
7. test: Add e2e scenarios for hubble_* metrics #421
   control-plane/hubble help wanted priority/1 +3
8. test: Add e2e tests to validate hubble-relay and hubble-ui deployment #422
   control-plane/hubble help wanted priority/1 +3
   
9. test: Add tests to verify flow logs #423
   priority/1 +1