Remove UnusedPrivateProperties from the linter.
It is not yet ES6 compatible, so currently crashes on some untranspiled
ES6 features.
@@ -72,7 +72,6 @@ class LintPassConfig extends PassConfig.PassConfigDelegate {
new CheckSideEffects(
compiler, /* report */ true, /* protectSideEffectFreeCode */ false),
new CheckUnusedLabels(compiler),
- new CheckUnusedPrivateProperties(compiler),
new CheckUselessBlocks(compiler),
new ClosureCheckModule(compiler),
new Es6SuperCheck(compiler)));
