Remove LGraphNode.subgraph (Legacy subgraph) (#453)

* Remove LGraphNode.subgraph (Legacy subgraph)

* Update snapshot

src/LGraphCanvas.ts

@@ -5340,38 +5340,6 @@ export class LGraphCanvas {
         }
       }
 
-      // subgraph box
-      if (
-        !collapsed &&
-        node.subgraph &&
-        !node.skip_subgraph_button
-      ) {
-        const w = LiteGraph.NODE_TITLE_HEIGHT
-        const x = node.size[0] - w
-        const over = LiteGraph.isInsideRectangle(
-          this.graph_mouse[0] - node.pos[0],
-          this.graph_mouse[1] - node.pos[1],
-          x + 2,
-          -w + 2,
-          w - 4,
-          w - 4,
-        )
-        ctx.fillStyle = over ? "#888" : "#555"
-        if (shape == RenderShape.BOX || low_quality) {
-          ctx.fillRect(x + 2, -w + 2, w - 4, w - 4)
-        } else {
-          ctx.beginPath()
-          ctx.roundRect(x + 2, -w + 2, w - 4, w - 4, [4])
-          ctx.fill()
-        }
-        ctx.fillStyle = "#333"
-        ctx.beginPath()
-        ctx.moveTo(x + w * 0.2, -w * 0.6)
-        ctx.lineTo(x + w * 0.8, -w * 0.6)
-        ctx.lineTo(x + w * 0.5, -w * 0.3)
-        ctx.fill()
-      }
-
       // custom title render
       node.onDrawTitle?.(ctx)
     }

src/LGraphNode.ts

@@ -230,8 +230,6 @@ export class LGraphNode implements Positionable, IPinnable {
   console?: string[]
   _level: number
   _shape?: RenderShape
-  subgraph?: LGraph
-  skip_subgraph_button?: boolean
   mouseOver?: IMouseOverData
   redraw_on_mouse?: boolean
   // Appears unused

test/__snapshots__/LGraph.test.ts.snap

@@ -96,8 +96,6 @@ LGraph {
       "selected": undefined,
       "serialize_widgets": undefined,
       "showAdvanced": undefined,
-      "skip_subgraph_button": undefined,
-      "subgraph": undefined,
       "title": undefined,
       "type": null,
       "widgets": undefined,
@@ -166,8 +164,6 @@ LGraph {
       "selected": undefined,
       "serialize_widgets": undefined,
       "showAdvanced": undefined,
-      "skip_subgraph_button": undefined,
-      "subgraph": undefined,
       "title": undefined,
       "type": null,
       "widgets": undefined,
@@ -237,8 +233,6 @@ LGraph {
       "selected": undefined,
       "serialize_widgets": undefined,
       "showAdvanced": undefined,
-      "skip_subgraph_button": undefined,
-      "subgraph": undefined,
       "title": undefined,
       "type": null,
       "widgets": undefined,
@@ -424,8 +418,6 @@ LGraph {
       "selected": undefined,
       "serialize_widgets": undefined,
       "showAdvanced": undefined,
-      "skip_subgraph_button": undefined,
-      "subgraph": undefined,
       "title": undefined,
       "type": null,
       "widgets": undefined,
@@ -494,8 +486,6 @@ LGraph {
       "selected": undefined,
       "serialize_widgets": undefined,
       "showAdvanced": undefined,
-      "skip_subgraph_button": undefined,
-      "subgraph": undefined,
       "title": undefined,
       "type": null,
       "widgets": undefined,
@@ -565,8 +555,6 @@ LGraph {
       "selected": undefined,
       "serialize_widgets": undefined,
       "showAdvanced": undefined,
-      "skip_subgraph_button": undefined,
-      "subgraph": undefined,
       "title": undefined,
       "type": null,
       "widgets": undefined,