Remove qiskit.org links (#2057) #2251

Job	Run time
lint (3.8)	1m 38s
sdist (3.8, ubuntu-latest, x64)	3m 16s
sdist (3.9, ubuntu-latest, x64)	3m 15s
sdist (3.10, ubuntu-latest, x64)	3m 42s
sdist (3.11, ubuntu-latest, x64)	3m 32s
sdist (3.12.0, ubuntu-latest, x64)	3m 38s
Windows Python 3.8	16m 37s
Windows Python 3.9	12m 49s
macOS Python 3.8	9m 50s
Linux Python 3.8	6m 58s
Windows Python 3.10	9m 38s
macOS Python 3.9	12m 12s
macOS Python 3.10	11m 35s
Linux Python 3.9	6m 33s
Windows Python 3.11	11m 2s
tests-json-input (3.9, ubuntu-latest)	6m 26s
macOS Python 3.11	9m 51s
Linux Python 3.10	6m 34s
Windows Python 3.12.0	13m 52s
macOS Python 3.12.0	14m 49s
Linux Python 3.11	6m 39s
Linux Python 3.12.0	7m 15s
Linux Python 3.10 ('qiskit>=1.0.0rc1')	6m 55s
	3h 8m 36s

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