Merge branch 'claude/cool-bardeen-l8jlsy-3-definitely-all-invalid' into claude/cool-bardeen-l8jlsy-4-lazy-scalarfn-validity

Author: joseph-isaacs

vortex-cuda/src/dynamic_dispatch/mod.rs

@@ -32,7 +32,6 @@ use vortex::array::buffer::BufferHandle;
 use vortex::array::buffer::DeviceBufferExt;
 use vortex::array::match_each_unsigned_integer_ptype;
 use vortex::array::scalar::Scalar;
-use vortex::array::validity::Validity;
 use vortex::buffer::Alignment;
 use vortex::buffer::ByteBuffer;
 use vortex::buffer::ByteBufferMut;