Remove unique filter from repo indexer analyzer. (#7878)

* Remove unique filter from repo indexer analyzer.

* Bump repoIndexerLatestVersion to 4

* Corrrect fmt

* make vendor to remove unique dependency

1 files changed, 0 insertions, 53 deletions

diff --git a/vendor/github.com/blevesearch/bleve/analysis/token/unique/unique.go b/vendor/github.com/blevesearch/bleve/analysis/token/unique/unique.go
deleted file mode 100644
index c60e8c9793..0000000000
--- a/vendor/github.com/blevesearch/bleve/analysis/token/unique/unique.go
+++ /dev/null
@@ -1,53 +0,0 @@
-//  Copyright (c) 2018 Couchbase, Inc.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// 		http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-package unique
-
-import (
-	"github.com/blevesearch/bleve/analysis"
-	"github.com/blevesearch/bleve/registry"
-)
-
-const Name = "unique"
-
-// UniqueTermFilter retains only the tokens which mark the first occurrence of
-// a term. Tokens whose term appears in a preceding token are dropped.
-type UniqueTermFilter struct{}
-
-func NewUniqueTermFilter() *UniqueTermFilter {
-	return &UniqueTermFilter{}
-}
-
-func (f *UniqueTermFilter) Filter(input analysis.TokenStream) analysis.TokenStream {
-	encounteredTerms := make(map[string]struct{}, len(input)/4)
-	j := 0
-	for _, token := range input {
-		term := string(token.Term)
-		if _, ok := encounteredTerms[term]; ok {
-			continue
-		}
-		encounteredTerms[term] = struct{}{}
-		input[j] = token
-		j++
-	}
-	return input[:j]
-}
-
-func UniqueTermFilterConstructor(config map[string]interface{}, cache *registry.Cache) (analysis.TokenFilter, error) {
-	return NewUniqueTermFilter(), nil
-}
-
-func init() {
-	registry.RegisterTokenFilter(Name, UniqueTermFilterConstructor)
-}