Update cutting tutorials to send ISA circuits to Qiskit Runtime (backport #500)

[mergify]

• fix indentation of commented out code in tutorials
• Remove explicit session.close(), following Allow users to indicate they are done submitting jobs to a session qiskit-ibm-runtime#1139
• Update cutting tutorials 1 and 3 to use a hardware backend and transpile for it before sending to Runtime
• Update cutting tutorial 2 to use either a fake backend OR a hardware backend via runtime
• Remove all mentions of ibmq_qasm_simulator from cutting documentation (except cutqc docs -- that can wait for Remove uses of ibmq_qasm_simulator from cutqc tutorials #502)

I tested the modified commented out blocks with Qiskit Runtime. The third tutorial currently fails with Runtime because of #452, but that's a separate issue; in fact, it should resolve itself soon once the Sampler supports dynamic circuits.

Saving for subsequent PRs:

• SamplerV2 update - Support SamplerV2 #488
• ISA circuit update to cutqc - evaluate_subcircuits issue after the 1st march 2024 update  #501
• Phrase cutting tutorials as Qiskit Patterns - Implement cutting tutorials as Qiskit Patterns #477

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  This is an automatic backport of pull request Update cutting tutorials to send ISA circuits to Qiskit Runtime #500 done by Mergify.

[coveralls]

Pull Request Test Coverage Report for Build 8426641203

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 93.541%

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Totals
Change from base Build 8284629743:	0.0%
Covered Lines:	2346
Relevant Lines:	2508

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💛 - Coveralls