Kapt: Store line information in a file doc comment, instead of annotations (KT-21936)

plugins/kapt3/kapt3-compiler/testData/converter/maxErrorCount.txt

@@ -1,35 +1,18 @@
+/**
+ * @KaptMetadata
+ */
+
 import kotlin.reflect.KClass;
 
 @kotlin.Metadata()
-@kapt.internal.KaptMetadata()
 public final class Test {
 
-    @kapt.internal.KaptSignature(value = "a(Lerror/NonExistentClass;Lerror/NonExistentClass;)V")
     public final void a(@org.jetbrains.annotations.NotNull()
     ABC a, @org.jetbrains.annotations.NotNull()
     BCD b) {
     }
 
-    @kapt.internal.KaptSignature(value = "<init>()V")
     public Test() {
         super();
     }
 }
-
-////////////////////
-
-package kapt.internal;
-
-public @interface KaptMetadata {
-
-    public java.lang.String value();
-}
-
-////////////////////
-
-package kapt.internal;
-
-public @interface KaptSignature {
-
-    public java.lang.String value();
-}