Clean up: Remove Sortable

package.json

@@ -123,7 +123,6 @@
     "rndstr": "1.0.0",
     "serve-favicon": "2.3.2",
     "shelljs": "0.7.6",
-    "sortablejs": "1.5.0-rc1",
     "subdomain": "1.2.0",
     "summaly": "1.2.7",
     "swagger-jsdoc": "^1.8.4",

src/web/app/desktop/mixins.ls

@@ -1,9 +1,6 @@
 riot = require \riot
 
 module.exports = (me) ~>
-	riot.mixin \sortable do
-		Sortable: require \sortablejs
-
 	if me?
 		(require './scripts/stream.ls') me
 

src/web/app/desktop/tags/post-form.tag

@@ -286,7 +286,6 @@
 		@mixin \api
 		@mixin \notify
 		@mixin \autocomplete
-		@mixin \sortable
 
 		@wait = false
 		@uploadings = []
@@ -406,10 +405,6 @@
 			@trigger \change-files @files
 			@update!
 
-			new @Sortable @refs.attaches, do
-				draggable: \.file
-				animation: 150ms
-
 		@post = (e) ~>
 			@wait = true