[strong] Remove all remainders of strong mode

test/mjsunit/strong/load-super.js

Index: test/mjsunit/strong/load-super.js
diff --git a/test/mjsunit/strong/load-super.js b/test/mjsunit/strong/load-super.js
deleted file mode 100644
index 4aa91c222ae620649d628419c942aa0feb2291d5..0000000000000000000000000000000000000000
--- a/test/mjsunit/strong/load-super.js
+++ /dev/null
@@ -1,102 +0,0 @@
-// Copyright 2015 the V8 project authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-// Flags: --strong-mode
-
-"use strong";
-
-function testSuper(object) {
-  assertEquals(0, object.validLoad());
-  assertThrows(function(){ return object.propertyLoad() }, TypeError);
-  assertThrows(function(){ return object.elementLoad()  }, TypeError);
-  assertThrows(function(){ return object.accessorLoad() }, TypeError);
-}
-
-class A {
-  constructor() {}
-  foo() {
-    return 0;
-  }
-  get bar() {
-    return 0;
-  }
-  set baz(_) {
-    return;
-  }
-}
-
-class B extends A {
-  constructor() {
-    super();
-  }
-  validLoad() {
-    return super.foo() + super.bar;
-  }
-  propertyLoad() {
-    return super.x;
-  }
-  elementLoad() {
-    return super[1];
-  }
-  accessorLoad() {
-    return super.baz;
-  }
-}
-
-class C extends A {
-  constructor() {
-    super();
-    this[1] = 0;
-    this.x = 0;
-  }
-  get baz() {
-    return 0;
-  }
-  validLoad() {
-    return super.foo() + super.bar;
-  }
-  propertyLoad() {
-    return super.x;
-  }
-  elementLoad() {
-    return super[1];
-  }
-  accessorLoad() {
-    return super.baz;
-  }
-}
-
-let b = new B();
-let c = new C();
-testSuper(b);
-testSuper(c);
-
-let d = {
-  "0": 0,
-  foo: 0,
-  bar: (function(){return 0}),
-  get baz(){return 0},
-  set qux(_){return}
-}
-
-let e = {
-  __proto__: d,
-  "1": 0,
-  x: 0,
-  get baz(){return 0},
-  validLoad() {
-    return super[0] + super.foo + super.bar() + super.baz;
-  },
-  propertyLoad() {
-    return super.x;
-  },
-  elementLoad() {
-    return super[1];
-  },
-  accessorLoad() {
-    return super.qux;
-  }
-}
-
-testSuper(e);