chore[array]: move slice into execute/reduce rules

Signed-off-by: Joe Isaacs <joe.isaacs@live.co.uk>

Author: joseph-isaacs

encodings/fastlanes/src/bitpacking/vtable/kernels/filter.rs

@@ -30,7 +30,6 @@ use crate::BitPackedArray;
 use crate::BitPackedVTable;
 use crate::bitpacking::vtable::kernels::UNPACK_CHUNK_THRESHOLD;
 use crate::bitpacking::vtable::kernels::chunked_indices;
-use crate::bitpacking::vtable::kernels::slice::BitPackingSliceKernel;
 
 pub(crate) const PARENT_KERNELS: ParentKernelSet<BitPackedVTable> = ParentKernelSet::new(&[
     ParentKernelSet::lift(&BitPackingFilterKernel),