Removed outdated comment

Seems to be provided by ProjectView::selectPath now.

Author: bjorn

src/tiled/projectdock.cpp

@@ -64,8 +64,6 @@ class ProjectView final : public QTreeView
 
     ProjectModel *projectModel() const { return mProjectModel; }
 
-    // TODO: Add 'select by file name'
-
     QStringList expandedPaths() const { return mExpandedPaths.values(); }
     void setExpandedPaths(const QStringList &paths);
     void addExpandedPath(const QString &path);