[strong] Remove all remainders of strong mode

test/cctest/compiler/test-run-inlining.cc

Index: test/cctest/compiler/test-run-inlining.cc
diff --git a/test/cctest/compiler/test-run-inlining.cc b/test/cctest/compiler/test-run-inlining.cc
index f332d7499b54919f3e0e5e67ef2db65f46bab75d..a678ccfa3ac773c7c69c7b4a94a6b7c41cd9cab3 100644
--- a/test/cctest/compiler/test-run-inlining.cc
+++ b/test/cctest/compiler/test-run-inlining.cc
@@ -542,33 +542,6 @@ TEST(InlineNestedBuiltin) {
 }
 
 
-TEST(StrongModeArity) {
-  FLAG_strong_mode = true;
-  FunctionTester T(
-      "(function () {"
-      "  function foo(x, y) { 'use strong'; return x; }"
-      "  function bar(x, y) { return foo(x); }"
-      "  return bar;"
-      "})();",
-      kInlineFlags);
-  T.CheckThrows(T.undefined(), T.undefined());
-}
-
-
-TEST(StrongModeArityOuter) {
-  FLAG_strong_mode = true;
-  FunctionTester T(
-      "(function () {"
-      "  'use strong';"
-      "  function foo(x, y) { return x; }"
-      "  function bar(x, y) { return foo(x); }"
-      "  return bar;"
-      "})();",
-      kInlineFlags);
-  T.CheckThrows(T.undefined(), T.undefined());
-}
-
-
 TEST(InlineSelfRecursive) {
   FunctionTester T(
       "(function () {"