Update homer.json (#415)

Volume is not needed

template/apps/homer.json

@@ -36,10 +36,6 @@
 		{
 			"bind": "/portainer/Files/AppData/Config/Homer/assets",
 			"container": "/www/assets"
-		},
-		{
-			"bind": "/portainer/Files/AppData/Config/Homer/config.yml",
-			"container": "/www/config.yml"
 		}
 	],
 	"webpage": "https://github.com/bastienwirtz/homer"