Remove unused keyboard event handlers and update method in runtime-host.ts

src/runtime-three/runtime-host.ts

@@ -3634,43 +3634,3 @@ export class RuntimeHost {
     this.previousPauseInputActive = pauseInputActive;
   }
 }
-nt.metaKey ||
-      isEditableEventTarget(event.target)
-    ) {
-      return;
-    }
-
-    this.pressedKeys.add(event.code);
-    event.preventDefault();
-    this.toggleManualPause();
-    this.previousPauseInputActive = true;
-  };
-
-  private handleRuntimeKeyUp = (event: KeyboardEvent) => {
-    this.pressedKeys.delete(event.code);
-  };
-
-  private handleRuntimeBlur = () => {
-    this.pressedKeys.clear();
-    this.previousPauseInputActive = false;
-  };
-
-  private updatePauseInputState() {
-    if (this.runtimeScene === null || !this.sceneReady) {
-      this.previousPauseInputActive = false;
-      return;
-    }
-
-    const pauseInputActive =
-      resolvePlayerStartPauseInput(
-        this.pressedKeys,
-        this.runtimeScene.playerInputBindings
-      ) >= 0.5;
-
-    if (pauseInputActive && !this.previousPauseInputActive) {
-      this.toggleManualPause();
-    }
-
-    this.previousPauseInputActive = pauseInputActive;
-  }
-}