qiskit/releasenotes/notes/2.0/remove_cxcancellation_11937...

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upgrade_transpiler:
- |
The pass ``qiskit.transpiler.passes.CXCancellation`` was removed. It was deprecated in favor of
class:`.InverseCancellation`, which is more generic.
``CXCancellation`` is fully semantically equivalent to ``InverseCancellation([CXGate()])``.