Remove migration for pad attributes

www/common/migrate-user-object.js

@@ -7,41 +7,13 @@ define([], function () {
     return function (userObject, Cryptpad) {
         var version = userObject.version || 0;
 
+        // DEPRECATED
         // Migration 1: pad attributes moved to filesData
         var migratePadAttributesToData = function () {
-            var files = userObject && userObject.drive;
-            if (!files) { return; }
-
-            var migratePadAttributes = function (el, id, parsed) {
-                // Migrate old pad attributes
-                ['userid', 'previewMode'].forEach(function (attr) {
-                    var key = parsed.hash + '.' + attr;
-                    var key2 = parsed.hash.slice(0,-1) + '.' + attr;// old pads not ending with /
-                    if (typeof(files[key]) !== "undefined" || typeof(files[key2]) !== "undefined") {
-                        console.log("Migrating pad attribute", attr, "for pad", id);
-                        el[attr] = files[key] || files[key2];
-                        delete files[key];
-                        delete files[key2];
-                    }
-                });
-            };
-            var filesData = files.filesData;
-            if (!filesData) { return; }
-
-            var el, parsed;
-            for (var id in filesData) {
-                id = Number(id);
-                el = filesData[id];
-                parsed = el.href && Cryptpad.parsePadUrl(el.href);
-                if (!parsed) { continue; }
-                migratePadAttributes(el, id, parsed);
-            }
-            // Migration done
+            return true;
         };
         if (version < 1) {
             migratePadAttributesToData();
-            Cryptpad.feedback('Migrate-1', true);
-            userObject.version = version = 1;
         }
 
         // Migration 2: global attributes from root to 'settings' subobjects