Merge pull request +8504 from c9/fix/collab-tree

remove unused code from tree renderer

node_modules/ace_tree/lib/ace_tree/layer/cells.js

@@ -85,7 +85,7 @@ var Cells = function(parentEl) {
             + (columns ? "padding-right:" + columns.$fixedWidth : "")
             + "' class='"
             + this.getRowClass(datarow, row)
-            + (datarow.name ? "' title='" + datarow.name : "") + "'>");
+            + "'>");
         
         if (!columns || columns[0].type == "tree") {
             if (columns) {