fix: remove accidentally added type (unused previously) #111

Job	Run time
Clippy	2m 24s
Checking fmt	5s
Build with various GPU support enabled	10m 55s
Test on GPUs	11m 49s
Test ignored in release mode	3m 33s
Test on GPUs (--ignored)	17m 12s
Test in release mode on MacOS	42m 34s
Test without default features	10m 22s
Test in release mode	16m 44s
Test in release mode (--features fixed-rows-to-discard)	17m 12s
	2h 12m 50s

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