Removed cache clear

Author: GrigoriyPA

ydb/core/fq/libs/row_dispatcher/json_filter.cpp

@@ -149,10 +149,6 @@ class TFilterInputConsumer : public NYql::NPureCalc::IConsumer<std::pair<const T
 
                 Worker->Push(std::move(result));
             }
-
-            // Clear cache after on each object because
-            // values allocated on another allocator and should be released
-            Cache.Clear();
         }
     }
 
@@ -271,8 +267,6 @@ class TJsonFilter::TImpl {
             NYql::NPureCalc::TProgramFactoryOptions().SetScopedAlloc(std::move(alloc))
         );
 
-        // Program should be stateless because input values
-        // allocated on another allocator and should be released
         LOG_ROW_DISPATCHER_DEBUG("Creating program...");
         Program = factory->MakePushStreamProgram(
             TFilterInputSpec(MakeInputSchema(columns, types)),