[symfony/contracts] Reference one main CHANGELOG in each contracts

nicolas-grekas · fabpot · commit ede224dcbc36 · 2020-02-14T08:31:56.000+01:00
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -1,7 +1,5 @@
 CHANGELOG
 =========
 
-1.2.0
------
-
- * added `trigger_deprecation` function
+The changelog is maintained for all Symfony contracts at the following URL:
+https://github.com/symfony/contracts/blob/master/CHANGELOG.md
