Docs: Removed broken link.

docs/api/cameras/OrthographicCamera.html

@@ -22,7 +22,6 @@
 		<div>[example:webgl_camera camera ]</div>
 		<div>[example:webgl_interactive_cubes_ortho interactive / cubes / ortho ]</div>
 		<div>[example:webgl_materials_cubemap_dynamic materials / cubemap / dynamic ]</div>
-		<div>[example:webgl_materials_normaldisplacementmap materials / normaldisplacementmap ]</div>
 		<div>[example:webgl_postprocessing_advanced postprocessing / advanced ]</div>
 		<div>[example:webgl_postprocessing_dof2 postprocessing / dof2 ]</div>
 		<div>[example:webgl_postprocessing_godrays postprocessing / godrays ]</div>