is-constant

Signed-off-by: Nicholas Gates <nick@nickgates.com>

Author: gatesn

vortex-array/src/aggregate_fn/fns/is_constant/mod.rs

@@ -27,7 +27,6 @@ use crate::Columnar;
 use crate::DynArray;
 use crate::ExecutionCtx;
 use crate::IntoArray;
-use crate::ToCanonical;
 use crate::aggregate_fn::Accumulator;
 use crate::aggregate_fn::AggregateFnId;
 use crate::aggregate_fn::AggregateFnVTable;