Remove Duplicate Lines

Author: KY246

webgl/webgl-3d-camera-look-at.html

@@ -211,9 +211,6 @@
     // Make a view matrix from the camera matrix.
     var viewMatrix = m4.inverse(cameraMatrix);
 
-    // Make a view matrix from the camera matrix.
-    var viewMatrix = m4.inverse(cameraMatrix);
-
     // create a viewProjection matrix. This will both apply perspective
     // AND move the world so that the camera is effectively the origin
     var viewProjectionMatrix = m4.multiply(projectionMatrix, viewMatrix);