Don't log every time a type alias is ignored

This is a known TODO; runtime output not required.

java/kotlin-extractor/src/main/kotlin/KotlinFileExtractor.kt

@@ -779,7 +779,6 @@ open class KotlinFileExtractor(
         with("type alias", ta) {
             if (ta.typeParameters.isNotEmpty()) {
                 // TODO: Extract this information
-                logger.error("Type alias with type parameters discarded: " + ta.render())
                 return
             }
             val id = useTypeAlias(ta)