clean up comments and error logging

src/webgldrawer.js

@@ -281,8 +281,6 @@
                     // occured in the TravisCI tests, though it did not happen when testing locally either in
                     // a browser or on the command line via grunt test.
 
-                    // use plain console.error instead of $.console.error in order to have the message show up in the test log.
-                    console.error(`There was a WebGL problem: bad value for MAX_TEXTURE_IMAGE_UNITS (${maxTextures})`);
                     throw(new Error(`WegGL error: bad value for gl parameter MAX_TEXTURE_IMAGE_UNITS (${maxTextures}). This could happen
                     if too many contexts have been created and not released, or there is another problem with the graphics card.`));
                 }

test/helpers/test.js

@@ -151,7 +151,6 @@
 
     // Log the name of the currently running test when it starts. Uses console.log rather than
     // $.console.log so that the message is printed even after the $.console is diverted (see below).
-    // Uncomment this code to log which test is currently running. Useful for debugging.
     QUnit.testStart((details) => {
         console.log(`Starting test ${details.module}.${details.name}`);
     });