broken tutorial on identifying_hardware_changes.ipynb

[pavoljuhas]

Description of the issue

The tutorial uses a removed method Device.qubit_set() at

Cirq/docs/tutorials/google/identifying_hardware_changes.ipynb

Line 288 in eb2a1dc

"qubits = device.qubit_set()\n",

@MichaelBroughton found additional issues in the tutorial as detailed at #5582 (comment)

How to reproduce the issue

Failure on notebook execution. The qubit_set() method was removed in eb2a1dc.

Cirq version

0.15.0.dev

[vtomole]

How did this get passed the notebooks check? Do we execute the notebooks on released versions of Cirq?

[dabacon]

Notebook tests excludes "**/google/*.ipynb"