remove vch extension

Author: yuanyl630

CN/modules/ROOT/nav.adoc

@@ -18,7 +18,6 @@
 ** xref:v1.17/36.adoc[pgRouting]
 ** xref:v1.17/37.adoc[pg_cron]
 ** xref:v1.17/38.adoc[pgsql-http]
-** xref:v1.17/39.adoc[vectorchord]
 ** xref:v1.17/40.adoc[pgvectorscale]
 * Oracle兼容功能列表
 ** xref:v1.17/11.adoc[1、Ivorysql框架设计]

CN/modules/ROOT/pages/v1.17/33.adoc

@@ -19,7 +19,6 @@ IvorySQL 作为一款兼容 Oracle 且基于 PostgreSQL 的高级开源数据库
 | xref:v1.17/36.adoc[pgRouting] | 3.5.1 | 基于地理数据的路径规划扩展，支持最短路径、旅行商问题等算法 | 物流规划、交通网络分析、路径优化服务
 | xref:v1.17/37.adoc[pg_cron]​ | 1.6.0 | 提供数据库内部的定时任务调度功能，支持定期执行SQL语句 | 数据清理、定期统计、自动化维护任务
 | xref:v1.17/38.adoc[pgsql-http]​ | 1.7.0 | 允许在SQL中发起HTTP请求，与外部Web服务进行交互 | 数据采集、API集成、微服务调用
-| xref:v1.17/39.adoc[vectorchord] | 0.5.1 | 增强向量检索能力，提供更高效的近似最近邻搜索算法 | 大规模向量检索、AI推理服务、相似性匹配
 | xref:v1.17/40.adoc[pgvectorscale] | 0.8.0 | 提供向量数据的分片和分布式扩展支持，提升大规模向量处理性能 | 分布式向量数据库、高并发向量查询
 |====
 

CN/modules/ROOT/pages/v1.17/39.adoc

@@ -18,7 +18,6 @@
 ** xref:v1.17/36.adoc[pgRouting]
 ** xref:v1.17/37.adoc[pg_cron]
 ** xref:v1.17/38.adoc[pgsql-http]
-** xref:v1.17/39.adoc[vectorchord]
 ** xref:v1.17/40.adoc[pgvectorscale]
 * List of Oracle compatible features
 ** xref:v1.17/11.adoc[1、Ivorysql frame design]

EN/modules/ROOT/nav.adoc

@@ -19,7 +19,6 @@ IvorySQL, as an advanced open-source database compatible with Oracle and based o
 | xref:v1.17/36.adoc[pgRouting] | 3.5.1 | Geographic data-based path planning extension, supports shortest path, traveling salesman problem and other algorithms | Logistics planning, traffic network analysis, path optimization services
 | xref:v1.17/37.adoc[pg_cron]​ | 1.6.0 | Provides database-internal scheduled task scheduling functionality, supports regular SQL statement execution | Data cleanup, regular statistics, automated maintenance tasks
 | xref:v1.17/38.adoc[pgsql-http]​ | 1.7.0 | Allows HTTP requests to be initiated in SQL, interacting with external web services | Data collection, API integration, microservice calls
-| xref:v1.17/39.adoc[vectorchord] | 0.5.1 | Enhances vector retrieval capabilities, provides more efficient approximate nearest neighbor search algorithms | Large-scale vector retrieval, AI inference services, similarity matching
 | xref:v1.17/40.adoc[pgvectorscale] | 0.8.0 | Provides sharding and distributed extension support for vector data, improving large-scale vector processing performance | Distributed vector databases, high-concurrency vector queries
 |====