Effect final removals from Qiskit 1.0

[jakelishman]

Summary

This is a roll-up of a bunch of extant deprecation warnings that were spotted in the 1.0 branch just before its release. All of these are trivial removals.

There remain one or two pending deprecations, but it's too late to do anything about those. There are also a couple of deprecations in the older timeline drawer for features that are still used in documentation, so I've just left in place.

Details and comments

This was definitely not made after the feature freeze.

[qiskit-bot]

One or more of the the following people are requested to review this:

• @enavarro51
• @Qiskit/terra-core
• @ikkoham
• @levbishop
• @mtreinish
• @nkanazawa1989

[kevinhartman]

Looks good to me.

[mtreinish]

One small inline suggestion on the release notes. We can save it for post-rc1 assuming this passes CI. If it needs a new commit to pass CI we can apply when we update the branch.

[coveralls]

Pull Request Test Coverage Report for Build 7747612580

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A quick fix for this PR: rebase it; your next report should be accurate.

• -1 of 7 (85.71%) changed or added relevant lines in 6 files are covered.
• 43 unchanged lines in 4 files lost coverage.
• Overall coverage increased (+0.02%) to 89.386%

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Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
qiskit/quantum_info/operators/measures.py	0	1	0.0%

Files with Coverage Reduction	New Missed Lines	%
crates/qasm2/src/expr.rs	1	93.81%
crates/qasm2/src/lex.rs	4	92.19%
crates/qasm2/src/parse.rs	12	97.15%
qiskit/synthesis/two_qubit/two_qubit_decompose.py	26	96.63%

Totals
Change from base Build 7746232749:	0.02%
Covered Lines:	60107
Relevant Lines:	67244

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💛 - Coveralls