Make annotations-modifiers private and fix some lost usages

It's needed to prevent usages of them as real annotation/type.
But we can't remove them, because currently some modifiers
are artificially resolved as annotations of those classes.

compiler/testData/builtin-classes.txt

@@ -1236,26 +1236,26 @@ public object Unit {
     /*primary*/ private constructor Unit()
 }
 
-@kotlin.annotation.Target(allowedTargets = {AnnotationTarget.VALUE_PARAMETER}) @kotlin.annotation.Retention(value = AnnotationRetention.RUNTIME) @kotlin.annotation.MustBeDocumented() @kotlin.annotation.annotation() public final class crossinline : kotlin.Annotation {
+@kotlin.annotation.Target(allowedTargets = {AnnotationTarget.VALUE_PARAMETER}) @kotlin.annotation.Retention(value = AnnotationRetention.RUNTIME) @kotlin.annotation.MustBeDocumented() @kotlin.annotation.annotation() private final class crossinline : kotlin.Annotation {
     /*primary*/ public constructor crossinline()
 }
 
-@kotlin.annotation.Target(allowedTargets = {AnnotationTarget.CLASS}) @kotlin.annotation.MustBeDocumented() @kotlin.annotation.annotation() public final class data : kotlin.Annotation {
+@kotlin.annotation.Target(allowedTargets = {AnnotationTarget.CLASS}) @kotlin.annotation.MustBeDocumented() @kotlin.annotation.annotation() private final class data : kotlin.Annotation {
     /*primary*/ public constructor data()
 }
 
-@kotlin.annotation.Target(allowedTargets = {AnnotationTarget.FUNCTION, AnnotationTarget.PROPERTY_GETTER, AnnotationTarget.PROPERTY_SETTER}) @kotlin.annotation.Retention(value = AnnotationRetention.SOURCE) @kotlin.annotation.MustBeDocumented() @kotlin.annotation.annotation() public final class external : kotlin.Annotation {
+@kotlin.annotation.Target(allowedTargets = {AnnotationTarget.FUNCTION, AnnotationTarget.PROPERTY_GETTER, AnnotationTarget.PROPERTY_SETTER}) @kotlin.annotation.Retention(value = AnnotationRetention.SOURCE) @kotlin.annotation.MustBeDocumented() @kotlin.annotation.annotation() private final class external : kotlin.Annotation {
     /*primary*/ public constructor external()
 }
 
-@kotlin.annotation.Target(allowedTargets = {AnnotationTarget.FUNCTION, AnnotationTarget.PROPERTY}) @kotlin.annotation.Retention(value = AnnotationRetention.RUNTIME) @kotlin.annotation.MustBeDocumented() @kotlin.annotation.annotation() public final class inline : kotlin.Annotation {
+@kotlin.annotation.Target(allowedTargets = {AnnotationTarget.FUNCTION, AnnotationTarget.PROPERTY}) @kotlin.annotation.Retention(value = AnnotationRetention.RUNTIME) @kotlin.annotation.MustBeDocumented() @kotlin.annotation.annotation() private final class inline : kotlin.Annotation {
     /*primary*/ public constructor inline()
 }
 
-@kotlin.annotation.Target(allowedTargets = {AnnotationTarget.VALUE_PARAMETER}) @kotlin.annotation.Retention(value = AnnotationRetention.RUNTIME) @kotlin.annotation.MustBeDocumented() @kotlin.annotation.annotation() public final class noinline : kotlin.Annotation {
+@kotlin.annotation.Target(allowedTargets = {AnnotationTarget.VALUE_PARAMETER}) @kotlin.annotation.Retention(value = AnnotationRetention.RUNTIME) @kotlin.annotation.MustBeDocumented() @kotlin.annotation.annotation() private final class noinline : kotlin.Annotation {
     /*primary*/ public constructor noinline()
 }
 
-@kotlin.annotation.Target(allowedTargets = {AnnotationTarget.FUNCTION}) @kotlin.annotation.Retention(value = AnnotationRetention.SOURCE) @kotlin.annotation.annotation() public final class tailrec : kotlin.Annotation {
+@kotlin.annotation.Target(allowedTargets = {AnnotationTarget.FUNCTION}) @kotlin.annotation.Retention(value = AnnotationRetention.SOURCE) @kotlin.annotation.annotation() private final class tailrec : kotlin.Annotation {
     /*primary*/ public constructor tailrec()
 }

compiler/testData/codegen/boxWithStdlib/fullJdk/native/nativePropertyAccessors.kt

@@ -1,27 +1,27 @@
 class C {
     companion object {
         val defaultGetter: Int = 1
-            @external get
+            external get
 
         var defaultSetter: Int = 1
-            @external get
-            @external set
+            external get
+            external set
     }
 
     val defaultGetter: Int = 1
-        @external get
+        external get
 
     var defaultSetter: Int = 1
-        @external get
-        @external set
+        external get
+        external set
 }
 
 val defaultGetter: Int = 1
-    @external get
+    external get
 
 var defaultSetter: Int = 1
-    @external get
-    @external set
+    external get
+    external set
 
 fun check(body: () -> Unit, signature: String): String? {
     try {

compiler/testData/repl/regressions/kt6843.repl

@@ -1,4 +1,4 @@
->>> @[data] class Person(val name: String)
+>>> data class Person(val name: String)
 >>> var x: String? = "hello"
 >>> val y = x?.let { Person(it) }
 >>> y