Minor: update testData with nullability annotations

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

@@ -17,7 +17,6 @@ import java.lang.System;
 @kotlin.Metadata()
 public enum StrangeEnum {
     /*public static final*/ InvalidFieldName /* = new StrangeEnum() */;
-    @org.jetbrains.annotations.NotNull()
     private final java.lang.String size = null;
 
     @org.jetbrains.annotations.NotNull()
@@ -36,7 +35,6 @@ import java.lang.System;
 
 @kotlin.Metadata()
 public final class Test {
-    @org.jetbrains.annotations.NotNull()
     public java.lang.String simpleName;
 
     @org.jetbrains.annotations.NotNull()