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)

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

@@ -509,7 +509,6 @@ open class KotlinUsesExtractor(
     fun useSimpleType(s: IrSimpleType, context: TypeContext): TypeResults {
         if (s.abbreviation != null) {
             // TODO: Extract this information
-            logger.error("Type alias ignored for " + s.render())
         }
         // We use this when we don't actually have an IrClass for a class
         // we want to refer to