Fix concurrent modification exception by allowing public access to

unRender()

Author: lewysDavies

standmodels/src/main/java/uk/lewdev/standmodels/StandModelLib.java

@@ -104,7 +104,7 @@ public void destroy() {
 		this.events.forEach(event -> HandlerList.unregisterAll(event));
 		this.events = null;
 
-		this.modelManager.getModels().forEach(model -> this.getModelManager().removeModel(model));
+		this.modelManager.getModels().forEach(model -> model.unRender());
 		this.modelManager = null;
 	}
 

standmodels/src/main/java/uk/lewdev/standmodels/model/Model.java

@@ -177,7 +177,7 @@ protected final void render() {
 		this.instructions.forEach(ins -> this.stands.add(ins.spawnStand(this.center.clone(), this.rotation)));
 	}
 
-	protected final void unRender() {
+	public final void unRender() {
 		if (!this.isRendered()) {
 			return;
 		}