remove unused i18n key

apps/meteor/packages/rocketchat-i18n/i18n/en.i18n.json

@@ -424,7 +424,6 @@
   "Analytics_features_users_Description": "Tracks custom events related to actions related to users (password reset times, profile picture change, etc).",
   "Analytics_Google": "Google Analytics",
   "Analytics_Google_id": "Tracking ID",
-  "Analytics_page_briefing": "Rocket.Chat collects anonymous usage data to identify how many instances are deployed and to improve the product for all users. We take your privacy seriously, so the usage data is encrypted and stored securely.",
   "Analytics_page_briefing_first_paragraph": "Rocket.Chat collects anonymous usage data, such as feature usage and session lengths, to improve the product for everyone.",
   "Analytics_page_briefing_second_paragraph": "We protect your privacy by never collecting personal or sensitive data. This section shows what is collected, reinforcing our commitment to transparency and trust.",
   "Analyze_practical_usage": "Analyze practical usage statistics about users, messages and channels",