Remove MaterializationClient factory #278

Job	Run time
Test against different Python versions (3.8, ubuntu-latest)	22s
Test against different Python versions (3.8, windows-latest)	1m 50s
Test against different Python versions (3.8, macos-latest)	56s
Test against different Python versions (3.9, ubuntu-latest)	29s
Test against different Python versions (3.9, windows-latest)	1m 47s
Test against different Python versions (3.9, macos-latest)	23s
Test against different Python versions (3.10, ubuntu-latest)	26s
Test against different Python versions (3.10, windows-latest)	1m 2s
Test against different Python versions (3.10, macos-latest)	31s
Test against different Python versions (3.11, ubuntu-latest)	25s
Test against different Python versions (3.11, windows-latest)	1m 39s
Test against different Python versions (3.11, macos-latest)	19s
Test against different Python versions (3.12, ubuntu-latest)	34s
Test against different Python versions (3.12, windows-latest)	1m 58s
Test against different Python versions (3.12, macos-latest)	23s
	13m 4s

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