Remove unnecessary comma in webgl_shaders_tonemapping

examples/webgl_shaders_tonemapping.html

@@ -94,7 +94,7 @@
 					middleGrey: 0.04,
 					maxLuminance: 16,
 
-					adaptionRate: 2.0,
+					adaptionRate: 2.0
 				};
 
 				container = document.createElement( 'div' );
@@ -190,7 +190,7 @@
 
 						"}"
 
-					].join("\n"),
+					].join("\n")
 				};
 
 				var earthAtmoMat = new THREE.ShaderMaterial( atmoShader );
@@ -298,7 +298,7 @@
 					},
 					vertexShader: vBGShader,
 					fragmentShader: pBGShader,
-					depthTest: false,
+					depthTest: false
 					// color: 0xffffff
 					// blending: THREE.NoBlending
 				} );