message: Remove deprecated `expression` property on query
diff: @@ -4,8 +4,6 @@ import { QueryTerm } from './query-term';
  import QueryBuilder from './query-builder';
  import { isObject } from '@orbit/utils';
  -const { deprecate } = Orbit;
  -
  export type QueryBuilderFunc = (
  QueryBuilder: QueryBuilder
  ) => QueryExpression | QueryExpression[] | QueryTerm | QueryTerm[];
  @@ -81,12 +79,6 @@ export function buildQuery(
  return {
  expressions,
  - get expression() {
  - deprecate(
  - '`expression` on query is deprecated. You should use `expressions`'
  - );
  - return this.expressions[0];
  - },
  options,
  id
  };
  