Drop shin from MAINTAINERS

Signed-off-by: Arnaud Porterie <arnaud.porterie@docker.com>

MAINTAINERS

@@ -429,7 +429,6 @@ made through a pull request.
 				"dmcg",
 				"dmp42",
 				"jlhawn",
-				"joffrey",
 				"samalba",
 				"sday",
 				"vbatts"
@@ -581,11 +580,6 @@ made through a pull request.
 	Email = "josh.hawn@docker.com"
 	Github = "jlhawn"
 
-	[people.joffrey]
-	Name = "Joffrey Fuhrer"
-	Email = "joffrey@docker.com"
-	Github = "shin-"
-
 	[people.lk4d4]
 	Name = "Alexander Morozov"
 	Email = "lk4d4@docker.com"