Examples: Clean up.

examples/webgl_materials_car.html

@@ -64,7 +64,7 @@
 
 				new RGBELoader()
 					.setDataType( THREE.UnsignedByteType )
-					.setPath( 'textures/hdr/' )
+					.setPath( 'textures/equirectangular/' )
 					.load( 'quarry_01_1k.hdr', function ( texture ) {
 
 						var envMap = pmremGenerator.fromEquirectangular( texture ).texture;