Revert of [tests] Make assertOptimized()/assertUnoptimized() great again.

test/mjsunit/array-store-and-grow.js

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-// Flags: --allow-natives-syntax --no-always-opt
+// Flags: --allow-natives-syntax
 
 // Verifies that the KeyedStoreIC correctly handles out-of-bounds stores
 // to an array that grow it by a single element. Test functions are
 // called twice to make sure that the IC is used, first call is handled
 // by the runtime in the miss stub.
 
-assertFalse(isAlwaysOptimize());
-
 function array_store_1(a,b,c) {
   return (a[b] = c);
 }
 
 // Check handling of the empty array.
 var a = [];
 array_store_1(a, 0, 1);
 a = [];
 array_store_1(a, 0, 1);
 assertEquals(1, a[0]);
@@ skipping 202 matching lines @@
   f(a, 0, 5.4);
 
   %OptimizeFunctionOnNextCall(f);
   f(new Array("hi"), 0, 3);
   assertOptimized(f);
   // An attempt to grow should cause deopt
   f(new Array("hi"), 1, 3);
   assertUnoptimized(f);
   %ClearFunctionTypeFeedback(f);
 })();