JSM: Remove .js extensions.

examples/jsm/nodes/inputs/ReflectorNode.d.ts

@@ -1,5 +1,5 @@
 import { NodeBuilder } from '../core/NodeBuilder';
-import { TempNode } from '../core/TempNode.js';
+import { TempNode } from '../core/TempNode';
 import { Matrix4Node } from './Matrix4Node';
 import { OperatorNode } from '../math/OperatorNode';
 import { ReflectorRTT } from '../../objects/ReflectorRTT';