[ObjCExport] Fix data class predefined methods translation

KT-65800

native/objcexport-header-generator/test/org/jetbrains/kotlin/backend/konan/tests/ObjCExportHeaderGeneratorTest.kt

@@ -297,11 +297,7 @@ class ObjCExportHeaderGeneratorTest(private val generator: HeaderGenerator) {
         doTest(headersTestDataDir.resolve("samInterface"))
     }
 
-    /**
-     * Requires some fixes: KT-65800
-     */
     @Test
-    @TodoAnalysisApi
     fun `test - simple data class`() {
         doTest(headersTestDataDir.resolve("simpleDataClass"))
     }