Update tests

compiler/testData/codegen/box/callableReference/function/booleanNotIntrinsic.kt

@@ -1,4 +1,3 @@
-// IGNORE_BACKEND: JS_IR
 fun box(): String {
     if ((Boolean::not)(true) != false) return "Fail 1"
     if ((Boolean::not)(false) != true) return "Fail 2"

compiler/testData/codegen/box/callableReference/function/equalsIntrinsic.kt

@@ -1,4 +1,3 @@
-// IGNORE_BACKEND: JS_IR
 class A
 
 fun box() = if ((A::equals)(A(), A())) "Fail" else "OK"