do not customize meta for twitter

Author: nicecui

docusaurus.config.ts

@@ -10,13 +10,11 @@ const metaMap = {
     { name: 'description', content: 'GreptimeDB is an open-source unified time-series database for Metrics, Logs, Events, and Traces. Learn how to gain real-time insights from edge to cloud at any scale with GreptimeDB and GreptimeCloud.' },
     { property: 'og:type', content: 'website' },
     { property: 'og:url', content: 'https://docs.greptime.com/' },
-    { property: 'og:image', content: 'https://greptime.com/logo/img/logo-routine-level.png' },
+    { property: 'og:image', content: 'https://greptime.com/resource/greptime_home_thumbnail.png' },
     { property: 'og:title', content: 'GreptimeDB Documentation | Unified Time-Series Database' },
     { property: 'og:description', content: 'Discover how GreptimeDB unifies metrics, logs, events, and traces with SQL and PromQL. Real-time insights, high scalability, and cloud-native flexibility.' },
     { property: 'twitter:card', content: 'summary_large_image' },
     { property: 'twitter:url', content: 'https://greptime.com/' },
-    { property: 'twitter:title', content: 'GreptimeDB Documentation | Unified Time-Series Database' },
-    { property: 'twitter:description', content: 'Explore GreptimeDB, the open-source time-series database for metrics, logs, events, and traces. Seamless scalability, real-time insights, and observability workflows.' },
     { property: 'twitter:image', content: 'https://greptime.com/resource/greptime_home_thumbnail.png' },
     { name: 'msvalidate.01', content: 'BD813946F80D5B50E162932BF3FD0D49' }
   ],