Remove CXCancellation (deprecated in 1.1)

[1ucian0]

Summary

Follow up on #11937, this PR removes the pass CXCancellation, which it was deprecated in qiskit 1.1

[qiskit-bot]

One or more of the following people are relevant to this code:

• @Qiskit/terra-core

[coveralls]

Pull Request Test Coverage Report for Build 12162781056

Warning: This coverage report may be inaccurate.

This pull request's base commit is no longer the HEAD commit of its target branch. This means it includes changes from outside the original pull request, including, potentially, unrelated coverage changes.

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Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• 24 unchanged lines in 2 files lost coverage.
• Overall coverage decreased (-0.02%) to 88.925%

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Files with Coverage Reduction	New Missed Lines	%
crates/qasm2/src/lex.rs	6	92.23%
crates/qasm2/src/parse.rs	18	96.69%

Totals
Change from base Build 12131777933:	-0.02%
Covered Lines:	79344
Relevant Lines:	89226

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💛 - Coveralls

[kevinhartman]

Would it make sense to move this test class to test_inverse_cancellation.py and modify the tests to use InverseCancellation([CXGate])?

[1ucian0]

good point. Done in fe0e44c . Thanks to that, I found this: #13437

[1ucian0]

Tagging as blocked by #13437

[1ucian0]

removing blocker. Thanks @haimeng-zhang!

[ElePT]

LGTM