nit: Remove unused stub function #22022

Job	Run time
code-quality	1m 2s
build packages	15s
unit test / python 3.9	1m 14s
unit test / python 3.10	1m 12s
unit test / python 3.11	1m 1s
unit test / python 3.12	1m 25s
verify packages / python 3.9 / ubuntu-latest / whl	32s
verify packages / python 3.9 / ubuntu-latest / gz	32s
verify packages / python 3.10 / ubuntu-latest / whl	33s
verify packages / python 3.10 / ubuntu-latest / gz	30s
verify packages / python 3.11 / ubuntu-latest / whl	33s
verify packages / python 3.11 / ubuntu-latest / gz	30s
verify packages / python 3.12 / ubuntu-latest / whl	38s
verify packages / python 3.12 / ubuntu-latest / gz	38s
verify packages / python 3.9 / macos-14 / whl	34s
verify packages / python 3.9 / macos-14 / gz	30s
verify packages / python 3.10 / macos-14 / whl	36s
verify packages / python 3.10 / macos-14 / gz	30s
verify packages / python 3.11 / macos-14 / whl	29s
verify packages / python 3.11 / macos-14 / gz	29s
verify packages / python 3.12 / macos-14 / whl	36s
verify packages / python 3.12 / macos-14 / gz	33s
verify packages / python 3.9 / windows-latest / whl	2m 53s
verify packages / python 3.9 / windows-latest / gz	2m 9s
verify packages / python 3.10 / windows-latest / whl	2m 11s
verify packages / python 3.10 / windows-latest / gz	2m 16s
verify packages / python 3.11 / windows-latest / whl	1m 57s
verify packages / python 3.11 / windows-latest / gz	1m 13s
verify packages / python 3.12 / windows-latest / whl	2m 22s
verify packages / python 3.12 / windows-latest / gz	1m 31s
	31m 24s

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