fix: clean unused facet

Author: rpenido

src/search-manager/data/__mocks__/block-types.json

@@ -17,13 +17,6 @@
           "vertical": 2,
           "video": 1
         },
-        "content.problem_types": {
-          "choiceresponse": 2,
-          "multiplechoiceresponse": 6,
-          "numericalresponse": 3,
-          "optionresponse": 4,
-          "stringresponse": 1
-        }
       },
       "facetStats": {}
     }

src/search-manager/data/api.ts

@@ -317,7 +317,7 @@ export const fetchBlockTypes = async (
   const { results } = await client.multiSearch({
     queries: [{
       indexUid: indexName,
-      facets: ['block_type', 'content.problem_types'],
+      facets: ['block_type'],
       filter: extraFilterFormatted,
       limit: 0, // We don't need any "hits" for this - just the facetDistribution
     }],