Fix tests: "infix modifier required" and "operator modifier required" errors

js/js.translator/testData/expression/function/cases/infixCall.kt

@@ -1,19 +0,0 @@
-// EA-56241
-package foo
-
-fun Int.foo(a: Int) = this + a
-
-val bar = fun Int.(a: Int): Int = this * a
-
-fun test(op: Int.(Int) -> Int) = 3 op 20
-
-fun box(): String {
-    val op = fun Int.(a: Int): Int = this / a
-
-    assertEquals(41, 34 foo 7)
-    assertEquals(28, 4 bar 7)
-    assertEquals(-17, test { this - it })
-    assertEquals(7, 49 op 7)
-
-    return "OK"
-}