Drop some tests using java.lang.Class in annotation

We are going to drop such cases anyway, but they're annoying when reverting commits

compiler/testData/writeSignature/annotations/jArrayClassOfKClass.kt

@@ -1,7 +0,0 @@
-import kotlin.reflect.KClass
-
-annotation class Ann(val arg: Array<out Class<out KClass<*>>>)
-
-// method: Ann::arg
-// jvm signature:     ()[Ljava/lang/Class;
-// generic signature: ()[Ljava/lang/Class<+Lkotlin/reflect/KClass<*>;>;

compiler/testData/writeSignature/annotations/jClassBasic.kt

@@ -1,7 +0,0 @@
-import kotlin.reflect.KClass
-
-annotation class Ann(val arg: Class<*>)
-
-// method: Ann::arg
-// jvm signature:     ()Ljava/lang/Class;
-// generic signature: ()Ljava/lang/Class<*>;

compiler/testData/writeSignature/annotations/jClassInt.kt

@@ -1,7 +0,0 @@
-import kotlin.reflect.KClass
-
-annotation class Ann(val arg: Class<Int>)
-
-// method: Ann::arg
-// jvm signature:     ()Ljava/lang/Class;
-// generic signature: ()Ljava/lang/Class<Ljava/lang/Integer;>;