Removed dead code from canvas lines colors example.

examples/canvas_lines_colors.html

@@ -139,8 +139,6 @@
 
 				renderer.setSize( window.innerWidth, window.innerHeight );
 
-				effectFXAA.uniforms[ 'resolution' ].value.set( 1 / window.innerWidth, 1 / window.innerHeight );
-
 				composer.reset();
 
 			}