MAINTAINERS.md: Update dweitzman's email

MAINTAINERS.md

@@ -7,7 +7,7 @@ The following is the full list, alphabetically ordered.
 * Andrew Mason ([amason](https://github.com/ajm188)) [email protected]
 * Anthony Yeh ([enisoc](https://github.com/enisoc)) [email protected]
 * Dan Kozlowski ([dkhenry](https://github.com/dkhenry)) [email protected]
-* David Weitzman ([dweitzman](https://github.com/dweitzman)) dweitzman@pinterest.com
+* David Weitzman ([dweitzman](https://github.com/dweitzman)) dweitzman@gmail.com
 * Deepthi Sigireddi ([deepthi](https://github.com/deepthi)) [email protected]
 * Derek Perkins ([derekperkins](https://github.com/derekperkins)) [email protected]
 * Florent Poinsard ([frouioui](https://github.com/frouioui)) [email protected]