[Aggs] remove toAngularJson (#127267) (#127443)

(cherry picked from commit 51304a3)

Co-authored-by: Anton Dosov <[email protected]>

src/plugins/data/common/search/aggs/buckets/filters.ts

@@ -12,7 +12,6 @@ import { buildEsQuery, Query } from '@kbn/es-query';
 
 import { QueryFilter, queryFilterToAst } from '../../expressions';
 import { createFilterFilters } from './create_filter/filters';
-import { toAngularJSON } from '../utils';
 import { BucketAggType } from './bucket_agg_type';
 import { BUCKET_TYPES } from './bucket_agg_types';
 import { aggFiltersFnName } from './filters_fn';
@@ -83,7 +82,7 @@ export const getFiltersBucketAgg = ({ getConfig }: FiltersBucketAggDependencies)
                 matchAllLabel ||
                 (typeof filter.input.query === 'string'
                   ? filter.input.query
-                  : toAngularJSON(filter.input.query));
+                  : JSON.stringify(filter.input.query));
               filters[label] = query;
             },
             {}

src/plugins/data/common/search/aggs/utils/index.ts

@@ -13,6 +13,5 @@ export * from './date_interval_utils';
 export * from './get_aggs_formats';
 export * from './ip_address';
 export * from './prop_filter';
-export * from './to_angular_json';
 export * from './infer_time_zone';
 export * from './parse_time_shift';