Revert "[Wasm] Support lazy associated object initialisation"

This reverts commit 552ee1ee38.

wasm/wasm.tests/test/org/jetbrains/kotlin/generators/tests/GenerateWasmTests.kt

@@ -21,7 +21,7 @@ fun main(args: Array<String>) {
     val k2BoxTestDir = "multiplatform/k2"
 
     val jsTranslatorTestPattern = "^([^_](.+))\\.kt$"
-    val jsTranslatorReflectionPattern = "^(findAssociatedObject(InSeparatedFile)?(Lazyness)?)\\.kt$"
+    val jsTranslatorReflectionPattern = "^(findAssociatedObject(InSeparatedFile)?)\\.kt$"
     val jsTranslatorEsModulesExcludedDirs = listOf(
         // JsExport is not supported for classes
         "jsExport", "native", "export",