dev: remove unused var #105

Job	Run time
test-canary (2.0.0-rc.4, ubuntu-latest)	5m 37s
test (1.39.1, ubuntu-latest)	4m 55s
test-canary (2.0.0-rc.4, macos-latest)	3m 28s
test (1.39.1, macos-latest)	1s
test-canary (2.0.0-rc.4, windows-latest)	33s
test (1.39.1, windows-latest)	34s
test (1.38.1, ubuntu-latest)	4m 40s
test (1.38.1, macos-latest)	1s
test (1.38.1, windows-latest)	32s
test (1.41.3, ubuntu-latest)	5m 36s
test (1.41.3, macos-latest)	1s
test (1.41.3, windows-latest)	33s
test (1.45.5, ubuntu-latest)	4m 54s
test (1.45.5, macos-latest)	1s
test (1.45.5, windows-latest)	25s
test (1.46.3, ubuntu-latest)	5m 15s
test (1.46.3, macos-latest)	1s
test (1.46.3, windows-latest)	32s
	37m 39s

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