Resign as maintainer (#79)

Author: akshayjshah

MAINTAINERS.md

@@ -2,6 +2,8 @@ Maintainers
 ===========
 
 ## Current
-* [Akshay Shah](https://github.com/akshayjshah), [Buf](https://buf.build)
 * [Josh Humphries](https://github.com/jhump), [Buf](https://buf.build)
 * [Edward McFarlane](https://github.com/emcfarlane), [Buf](https://buf.build)
+
+## Former
+* [Akshay Shah](https://github.com/akshayjshah)