Remove Gemini 2.5 Pro deprecation (#59243)

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: sunbrye <56200261+sunbrye@users.noreply.github.com>

Author: Copilot

data/tables/copilot/model-deprecation-history.yml

@@ -15,10 +15,6 @@
   retirement_date: '2026-02-17'
   suggested_alternative: 'Claude Opus 4.5'
 
-- name: 'Gemini 2.5 Pro'
-  retirement_date: '2026-02-17'
-  suggested_alternative: 'Gemini 3 Pro'
-
 - name: 'GPT-5'
   retirement_date: '2026-02-17'
   suggested_alternative: 'GPT-5.2'

data/tables/copilot/model-release-status.yml

@@ -128,7 +128,7 @@
 
 - name: 'Gemini 2.5 Pro'
   provider: 'Google'
-  release_status: 'Closing down: 2026-02-17'
+  release_status: 'GA'
   agent_mode: true
   ask_mode: true
   edit_mode: true