Remove @annotation from test data

compiler/testData/compileJavaAgainstKotlin/targets/empty.txt

@@ -1,5 +1,5 @@
 package test
 
-@kotlin.annotation.Target(allowedTargets = {}) @kotlin.annotation.annotation() public final class empty : kotlin.Annotation {
+@kotlin.annotation.Target(allowedTargets = {}) public final annotation class empty : kotlin.Annotation {
     public constructor empty()
 }