meta-google: Remove ztai from MAINTAINERS list

Change-Id: I0012555a65b0d9f67c62e14a5890a21cdff31ee5
Signed-off-by: Willy Tu <wltu@google.com>
diff --git a/meta-google/MAINTAINERS b/meta-google/MAINTAINERS
index 52bbc03..27ea1b5 100644
--- a/meta-google/MAINTAINERS
+++ b/meta-google/MAINTAINERS
@@ -48,5 +48,4 @@
 M:  Ed Tanous <edtanous@google.com> <edtanous!>
 M:  Brandon Kim <brandonkim@google.com> <brandonk!>
 M:  Willy Tu <wltu@google.com> <wltu!>
-M:  Zhenfei Tai <ztai@google.com> <ztai!>
 M:  Nan Zhou <nanzhoumails@gmail.com> <fighternan!>