Move Daniel to alumni

Thanks Daniel!

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>

MAINTAINERS

@@ -25,7 +25,6 @@
 			"aaronlehmann",
 			"albers",
 			"cpuguy83",
-			"dnephin",
 			"justincormack",
 			"silvin-lubecki",
 			"stevvooe",
@@ -53,6 +52,21 @@
 			"thajeztah"
 		]
 
+	[Org.Alumni]
+
+	# This list contains maintainers that are no longer active on the project.
+	# It is thanks to these people that the project has become what it is today.
+	# Thank you!
+
+		people = [
+			# Before becoming a maintainer, Daniel Nephin was a core contributor
+ 			# to "Fig" (now known as Docker Compose). As a maintainer for both the
+ 			# Engine and Docker CLI, Daniel contributed many features, among which
+ 			# the `docker stack` commands, allowing users to deploy their Docker
+ 			# Compose projects as a Swarm service.
+ 			"dnephin",
+		]
+
 [people]
 
 # A reference list of all people associated with the project.