Docs: corrected `LensflareElement` constructor args.

Fixes #16001.

docs/examples/objects/Lensflare.html

@@ -44,13 +44,12 @@ light.add( lensflare );
 		<h2>Constructor</h2>
 
 
-		<h3>LensflareElement( [param:Texture texture], [param:Float size], [param:Float distance], [param:Color color], [param:Materials blending] )</h3>
+		<h3>LensflareElement( [param:Texture texture], [param:Float size], [param:Float distance], [param:Color color] )</h3>
 		<p>
 		[page:Texture texture] - THREE.Texture to use for the flare. <br />
 		[page:Float size] - (optional) size in pixels <br />
 		[page:Float distance] - (optional) (0-1) from light source (0 = at light source) <br />
-		[page:Color color] - (optional) the [page:Color] of the lens flare<br />
-		[page:Materials blending] - (optional) [page:Materials Blending Mode] - Defaults to THREE.NormalBlending
+		[page:Color color] - (optional) the [page:Color] of the lens flare
 		</p>
 
 		<h2>Properties</h2>