Merge pull request #3964 from ClickHouse/ann-link

KB: Update link to ANN index docs

Author: Blargian

knowledgebase/vector-search.mdx

@@ -11,7 +11,7 @@ keywords: ['Vector Search']
 
 ## ClickHouse for Vector Search! {#clickhouse-for-vector-search}
 
-Yes, ClickHouse can perform vector search. 
+Yes, ClickHouse can perform vector search.
 
 The main advantages of using ClickHouse for vector search compared to using more specialized vector databases include:
 
@@ -66,7 +66,4 @@ This query returns the `_file` names and `caption` of the top 10 images most lik
 
 To follow a more in-depth tutorial on vector search using ClickHouse, please see:
 
-- [Vector Search with ClickHouse - Part 1
-  ](https://clickhouse.com/blog/vector-search-clickhouse-p1)
-- [Vector Search with ClickHouse - Part 2
-  ](https://clickhouse.com/blog/vector-search-clickhouse-p2)
+- [Exact and Approximate Vector Search](https://clickhouse.com/docs/engines/table-engines/mergetree-family/annindexes)