Remove no-longer-needed expected diagnostics

Author: smowton

java/ql/test/kotlin/library-tests/annotation_classes/def.kt

@@ -60,6 +60,3 @@ fun @receiver:Annot0k String.myExtension() { }
 
 @Annot0k
 typealias AAA = Z
-
-// Diagnostic Matches: Incomplete annotation: @kotlin.annotation.Target(%)
-// Diagnostic Matches: Incomplete annotation: @kotlin.jvm.JvmName(%)