remove redundant examples #3650

Job	Run time
Build docs	56s
Pytest and Coverage check (3.8)	56s
Flake8 check	42s
Pytest and Coverage check (3.9)	57s
general-superstaq standalone coverage check with minimum dependency versions	44s
Pytest and Coverage check (3.10)	57s
qiskit-superstaq standalone coverage check with minimum dependency versions	56s
Format check	45s
Pytest and Coverage check (3.11)	57s
Lint check	54s
cirq-superstaq standalone coverage check with minimum dependency versions	55s
Pytest and Coverage check (3.12)	57s
supermarq-benchmarks standalone coverage check with minimum dependency versions	56s
Pytest and Coverage check (3.13)	56s
Type check	55s
Notebook check for qiskit-superstaq	56s
Notebook check for cirq-superstaq	55s
Notebook check for supermarq	55s
Requirements check	55s
Pytest Windows	41s
Pytest macOS	56s
	18m 41s

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