Update NormalMapNode.js

Clean up.

src/nodes/display/NormalMapNode.js

@@ -87,7 +87,7 @@ class NormalMapNode extends TempNode {
 
 			} else if ( unpackNormalMode !== NoNormalPacking ) {
 
-				console.error( `THREE.NodeMaterial: Unexpected unpack normal mode: ${ unpackNormalMode }` );
+				error( `THREE.NodeMaterial: Unexpected unpack normal mode: ${ unpackNormalMode }` );
 
 			}
 
@@ -95,7 +95,7 @@ class NormalMapNode extends TempNode {
 
 			if ( unpackNormalMode !== NoNormalPacking ) {
 
-				console.error( `THREE.NodeMaterial: Normal map type '${ normalMapType }' is not compatible with unpack normal mode '${ unpackNormalMode }'` );
+				error( `THREE.NodeMaterial: Normal map type '${ normalMapType }' is not compatible with unpack normal mode '${ unpackNormalMode }'` );
 
 			}