Removes readme section about not running tests

Author: mitchhentges

README.md

@@ -87,9 +87,4 @@ fn main() {
     // Run the application
     ui.main();
 }
-```
-
-## Testing Note
-Travis does not connect video devices to their testing environments, so the tests cannot be run. Therefore, the "tests" only check compilation.
-
-[libui]: https://github.com/andlabs/libui
+```