Read metadata directly (method has been removed).

[delucchi-cmu]

Method was removed recently, and we can just as easily read using the get_fs method, since this is internal-only testing code.

[github-actions]

Before [73ac873]	After [6c48db1]	Ratio	Benchmark (Parameter)
3.06±0.9s	2.78±2s	0.91	benchmarks.time_computation
3.94k	1.54k	0.39	benchmarks.mem_list

Click here to view all benchmarks.