[firebase-release] Removed change log and reset repo after 3.5.0 release

Author: google-oss-bot

CHANGELOG.md

@@ -1,11 +0,0 @@
-- Adds support for defining max number of instances for a function. Example:
-
-  ```
-  functions.runWith({
-    maxInstances: 10
-  }).https.onRequest(...);
-  ```
-
-  Learn more about max instances in the [Google Cloud documentation.](https://cloud.google.com/functions/docs/max-instances)
-
-- Fixes TypeScript build error when `package-lock.json` is present by updating dependencies (Issue #637).