maintainers: update euank email

MAINTAINERS

@@ -2,7 +2,7 @@ Alban Crequy <[email protected]> (@alban) pkg: *
 Brandon Philips <[email protected]> (@philips) pkg: *
 Casey Callendrello <[email protected]> (@squeed) pkg: *
 Derek Gonyeo <[email protected]> (@dgonyeo) pkg: *
-Euan Kemp <euan.kemp@coreos.com> (@euank) pkg: *
+Euan Kemp <euank@euank.com> (@euank) pkg: *
 Iago López Galeiras <[email protected]> (@iaguis) pkg: *
 Jonathan Boulle <[email protected]> (@jonboulle) pkg: *
 Krzesimir Nowak <[email protected]> (@krnowak) pkg: *