Remove qobj supports as an argument of AerSimulator.run()

[hhorii]

What is the expected behavior?

AerSimulator should not support QasmQobj and PulseQobj to run simulation.

They are deprecated in 0.9.0.

qiskit-aer/qiskit_aer/backends/aerbackend.py

Lines 162 to 168 in b9f3559

	if isinstance(circuits, (QasmQobj, PulseQobj)):
	warnings.warn(
	'Using a qobj for run() is deprecated as of qiskit-aer 0.9.0'
	' and will be removed no sooner than 3 months from that release'
	' date. Transpiled circuits should now be passed directly using'
	' `backend.run(circuits, **run_options).',
	DeprecationWarning, stacklevel=2)

[hhorii]

Even If we remove qobj supports in arguments, qobj will be still necessary to execute pulse simulation and DASK-based qasm simulation. That is, assemble() will be internally called in run(). To generate qobj for pulse, arguments for assemble() is necessary. For example, verify_wheel.py executes pulse simulation as follows

    qobj = assemble([schedule],
                    backend=backend_sim,
                    qubit_lo_freq=[5.0],
                    meas_level=1,
                    meas_return='avg',
                    shots=1)
    results = backend_sim.run(qobj, system_model=system_model).result()

Note that pulse simulation requires different arguments for assemble() and run(). If we remove qobj supports, the same arguments will be specified and unfortunately pulse simulation doesn't work correctly.

I think that qobj should be removed after unsupport of pulse simulation (#1722).