Descheduling framework: migrate strategies to plugins

*Acceptance criteria*:

• all strategies are migrated to descheduling plugins

Current efforst:

• RemoveFailedPods: https://github.com/kubernetes-sigs/descheduler/pull/861
• RemovePodsViolatingNodeAffinity: https://github.com/kubernetes-sigs/descheduler/pull/860
• RemovePodsViolatingNodeTaints: https://github.com/kubernetes-sigs/descheduler/pull/857
• RemoveDuplicatePods: https://github.com/kubernetes-sigs/descheduler/pull/892
• RemovePodsViolatingInterPodAntiAffinity: https://github.com/kubernetes-sigs/descheduler/pull/903
• PodLifeTime: https://github.com/kubernetes-sigs/descheduler/pull/913
• RemovePodsHavingTooManyRestarts: https://github.com/kubernetes-sigs/descheduler/pull/902
• RemovePodsViolatingTopologySpreadConstraint: https://github.com/kubernetes-sigs/descheduler/pull/908
• LowNodeUtilization + HighNodeUtilization: https://github.com/kubernetes-sigs/descheduler/pull/910