chore(swift): remove unused variable from disjunctive faceting

Author: Fluf22

clients/algoliasearch-client-swift/Sources/Search/Extra/DisjunctiveFaceting.swift

@@ -89,8 +89,7 @@ struct DisjunctiveFacetingHelper {
 
     /// Merge received search responses into single one with combined facets information
     func mergeResponses<T: Codable>(
-        _ responses: [SearchResponse<T>],
-        keepSelectedEmptyFacets _: Bool = true
+        _ responses: [SearchResponse<T>]
     ) throws -> SearchDisjunctiveFacetingResponse<T> {
         guard var mainResponse = responses.first else {
             throw DisjunctiveFacetingError.emptyResponses

clients/algoliasearch-client-swift/Sources/Search/Extra/SearchClientExtension.swift

@@ -644,7 +644,7 @@ public extension SearchClient {
     /// - Parameter searchParamsObject: The search query params.
     /// - Parameter refinements: Refinements to apply to the search in form of dictionary with
     ///  facet attribute as a key and a list of facet values for the designated attribute.
-    ///  Any facet in this list not present in the `disjunctiveFacets` set will be filtered conjunctively.
+    ///  Any facet in this list not present in the `disjunctiveFacets` set will be filtered conjunctively (with AND operator).
     /// - Parameter disjunctiveFacets: Set of facets attributes applied disjunctively (with OR operator)
     /// - Parameter keepSelectedEmptyFacets: Whether the selected facet values might be preserved even
     ///  in case of their absence in the search response
@@ -657,7 +657,6 @@ public extension SearchClient {
         searchParamsObject: SearchSearchParamsObject,
         refinements: [String: [String]],
         disjunctiveFacets: Set<String>,
-        keepSelectedEmptyFacets: Bool = true,
         requestOptions: RequestOptions? = nil
     ) async throws -> SearchDisjunctiveFacetingResponse<T> {
         let helper = DisjunctiveFacetingHelper(
@@ -670,6 +669,6 @@ public extension SearchClient {
             searchMethodParams: SearchMethodParams(requests: queries),
             requestOptions: requestOptions
         )
-        return try helper.mergeResponses(responses, keepSelectedEmptyFacets: keepSelectedEmptyFacets)
+        return try helper.mergeResponses(responses)
     }
 }