[Wasm] Remove unnecessary --experimental-wasm-eh option while running d8 and nodejs

The support for Exception Handling proposal is turned on by default everywhere.

js/js.tests/test/org/jetbrains/kotlin/js/testOld/BasicWasmBoxTest.kt

@@ -188,7 +188,6 @@ abstract class BasicWasmBoxTest(
                 ExternalTool(System.getProperty("javascript.engine.path.V8"))
                     .run(
                         "--experimental-wasm-gc",
-                        "--experimental-wasm-eh",
                         *jsFilesBefore.map { File(it).absolutePath }.toTypedArray(),
                         "--module",
                         "./test.mjs",

libraries/tools/kotlin-gradle-plugin/src/common/kotlin/org/jetbrains/kotlin/gradle/targets/js/utils.kt

@@ -75,5 +75,4 @@ internal fun writeWasmUnitTestRunner(compiledFile: File): File {
 
 internal fun MutableList<String>.addWasmExperimentalArguments() {
     add("--experimental-wasm-gc")
-    add("--experimental-wasm-eh")
-}
+}