Revert skipRecords collection as records are ordered in simple search.

Author: koculu

src/ZoneTree.FullTextSearch/Search/SearchOnIndexOfTokenRecordPreviousToken.cs

@@ -174,7 +174,6 @@ HashSet<TRecord> FindRecordsMatchingAllTokens(
             int skip,
             int limit)
         {
-            var skipRecords = new HashSet<TRecord>();
             var records = new HashSet<TRecord>();
             iterator1.Seek(new CompositeKeyOfTokenRecordPrevious<TRecord, TToken>()
             {
@@ -199,14 +198,9 @@ HashSet<TRecord> FindRecordsMatchingAllTokens(
                 // different previous token.
                 if (records.Contains(record)) continue;
 
-                if (skipRecords.Contains(record)) continue;
-
                 if (!DoesRecordContainAllTokens(tokens, record) ||
                     !DoesRecordContainAnyOfTheFacets(facets, record))
-                {
-                    skipRecords.Add(record);
                     continue;
-                }
 
                 if (off >= skip)
                 {