Cleanup comments and indentation in config file

plugins/inputs/memcached/memcached.go

@@ -19,10 +19,8 @@ type Memcached struct {
 }
 
 var sampleConfig = `
-  # An array of address to gather stats about. Specify an ip on hostname
-  # with optional port. ie localhost, 10.0.0.1:11211, etc.
-  #
-  # If no servers are specified, then localhost is used as the host.
+  ### An array of address to gather stats about. Specify an ip on hostname
+  ### with optional port. ie localhost, 10.0.0.1:11211, etc.
   servers = ["localhost:11211"]
   # unix_sockets = ["/var/run/memcached.sock"]
 `