Update tests

compiler/testData/codegen/box/callableReference/bound/multiCase.kt

@@ -1,6 +1,5 @@
 // IGNORE_BACKEND: NATIVE
 // IGNORE_BACKEND: JVM_IR
-// IGNORE_BACKEND: JS_IR
 class A(var v: Int) {
     fun f(x: Int) = x * v
 }

compiler/testData/codegen/box/callableReference/property/privateSetOuterClass.kt

@@ -1,5 +1,4 @@
 // IGNORE_BACKEND: JVM_IR
-// IGNORE_BACKEND: JS_IR
 class A {
     var value: String = "fail1"
         private set

compiler/testData/codegen/box/functions/bigArity/function255.kt

@@ -1,5 +1,4 @@
 // !LANGUAGE: +FunctionTypesWithBigArity
-// IGNORE_BACKEND: JS_IR
 
 class A(val value: Int) {
     // for (i in 1..254) { print("p${"%03d".format(i)}: A, "); if (i % 10 == 0) println() }; println()

compiler/testData/codegen/box/inlineClasses/callableReferencesWithInlineClasses.kt

@@ -1,6 +1,5 @@
 // !LANGUAGE: +InlineClasses
 // IGNORE_BACKEND: JVM_IR
-// IGNORE_BACKEND: JS_IR
 // WITH_REFLECT
 
 inline class Foo(val x: String) {