Simplify Scene dock Filter Nodes placeholder

Author: timothyqiu

editor/docks/scene_tree_dock.cpp

@@ -4760,7 +4760,7 @@ SceneTreeDock::SceneTreeDock(Node *p_scene_root, EditorSelection *p_editor_selec
 	// The "Filter Nodes" text input above the Scene Tree Editor.
 	filter = memnew(LineEdit);
 	filter->set_h_size_flags(SIZE_EXPAND_FILL);
-	filter->set_placeholder(TTRC("Filter: name, t:type, g:group"));
+	filter->set_placeholder(TTRC("Filter Nodes"));
 	filter->set_accessibility_name(TTRC("Filter Nodes"));
 	filter->set_tooltip_text(TTRC("Filter nodes by entering a part of their name, type (if prefixed with \"type:\" or \"t:\")\nor group (if prefixed with \"group:\" or \"g:\"). Filtering is case-insensitive."));
 	filter_hbc->add_child(filter);