Get rid of my name from TODOs. Anyone can do them.

test/constructor/default.wren

@@ -7,5 +7,5 @@ var foo = Foo.new
 io.write(foo is Foo) // expect: true
 io.write(foo.toString) // expect: Foo
 
-// TODO(bob): Test that class doesn't get default constructor if it has an
-// explicit one.
+// TODO: Test that class doesn't get default constructor if it has an explicit
+// one.

test/constructor/new.wren

@@ -1,5 +1,5 @@
 class Foo {
-  // TODO(bob): Do we want to require an explicit "new" here?
+  // TODO: Do we want to require an explicit "new" here?
   this new { io.write("zero") }
   this new(a) { io.write(a) }
   this new(a, b) { io.write(a + b) }