Remove platformer (its need for full redo)

Cargo.toml

@@ -160,10 +160,6 @@ default = [
     "space_prefab/editor", 
 ]
 
-[[example]]
-name = "platformer"
-required-features = ["bevy_xpbd_3d"]
-
 
 [[example]]
 name = "spawn_prefab_with_physics"

examples/custom_editor_tab.rs

@@ -42,8 +42,8 @@ impl TabName for CustomTabName {
     /// Return title of the tab
     fn title(&self) -> String {
         match self {
-            CustomTabName::TraitBased => String::from("Trait Based"),
-            CustomTabName::SystemBased => String::from("System Based"),
+            Self::TraitBased => String::from("Trait Based"),
+            Self::SystemBased => String::from("System Based"),
         }
     }
 }