Remove debug information from graph view selection panel (#8496)

### What

Title.

This was a small part of @gavrelina's feedback.


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crates/viewer/re_view_graph/src/ui/draw.rs

@@ -221,28 +221,6 @@ fn draw_node(
     node_ui.response()
 }
 
-/// Draws a bounding box, as well as a basic coordinate system.
-pub fn draw_debug(ui: &Ui, world_bounding_rect: Rect) {
-    let painter = ui.painter();
-
-    // Paint coordinate system at the world origin
-    let origin = Pos2::new(0.0, 0.0);
-    let x_axis = Pos2::new(100.0, 0.0);
-    let y_axis = Pos2::new(0.0, 100.0);
-
-    painter.line_segment([origin, x_axis], Stroke::new(1.0, Color32::RED));
-    painter.line_segment([origin, y_axis], Stroke::new(1.0, Color32::GREEN));
-
-    if world_bounding_rect.is_positive() {
-        painter.rect(
-            world_bounding_rect,
-            0.0,
-            Color32::from_rgba_unmultiplied(255, 0, 255, 8),
-            Stroke::new(1.0, Color32::from_rgb(255, 0, 255)),
-        );
-    }
-}
-
 /// Helper function to draw an arrow at the end of the edge
 fn draw_arrow(painter: &Painter, tip: Pos2, direction: Vec2, color: Color32) {
     let arrow_size = 10.0; // Adjust size as needed

crates/viewer/re_view_graph/src/ui/mod.rs

@@ -2,6 +2,6 @@ mod draw;
 mod selection;
 mod state;
 
-pub use draw::{draw_debug, draw_graph, DrawableLabel, LevelOfDetail};
+pub use draw::{draw_graph, DrawableLabel, LevelOfDetail};
 pub use selection::view_property_force_ui;
 pub use state::GraphViewState;

crates/viewer/re_view_graph/src/ui/state.rs

@@ -12,9 +12,6 @@ use crate::layout::{ForceLayoutParams, ForceLayoutProvider, Layout, LayoutReques
 #[derive(Default)]
 pub struct GraphViewState {
     pub layout_state: LayoutState,
-
-    pub show_debug: bool,
-
     pub visual_bounds: Option<VisualBounds2D>,
     pub rect_in_ui: Option<Rect>,
 }
@@ -35,12 +32,6 @@ impl GraphViewState {
         ui.end_row();
     }
 
-    pub fn debug_ui(&mut self, ui: &mut egui::Ui) {
-        ui.re_checkbox(&mut self.show_debug, "Show debug information")
-            .on_hover_text("Shows debug information for the current graph");
-        ui.end_row();
-    }
-
     pub fn simulation_ui(&mut self, ui: &mut egui::Ui) {
         if ui.button("Reset simulation").clicked() {
             self.layout_state.reset();

crates/viewer/re_view_graph/src/view.rs

@@ -28,7 +28,7 @@ use re_viewport_blueprint::ViewProperty;
 use crate::{
     graph::Graph,
     layout::{ForceLayoutParams, LayoutRequest},
-    ui::{draw_debug, draw_graph, view_property_force_ui, GraphViewState, LevelOfDetail},
+    ui::{draw_graph, view_property_force_ui, GraphViewState, LevelOfDetail},
     visualizers::{merge, EdgesVisualizer, NodeVisualizer},
 };
 
@@ -131,7 +131,6 @@ Display a graph of nodes and edges.
         ui.selection_grid("graph_view_settings_ui").show(ui, |ui| {
             state.layout_ui(ui);
             state.simulation_ui(ui);
-            state.debug_ui(ui);
         });
 
         re_ui::list_item::list_item_scope(ui, "graph_selection_ui", |ui| {
@@ -199,11 +198,6 @@ Display a graph of nodes and edges.
                 let graph_rect = draw_graph(ui, ctx, graph, layout, query, level_of_detail);
                 world_bounding_rect = world_bounding_rect.union(graph_rect);
             }
-
-            // We need to draw the debug information after the rest to ensure that we have the correct bounding box.
-            if state.show_debug {
-                draw_debug(ui, world_bounding_rect);
-            }
         });
 
         if resp.hovered() {