Remove flag track-allocation-sites.

test/mjsunit/regress/regress-crbug-245480.js

 // Copyright 2013 the V8 project authors. All rights reserved.
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 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 // Flags: --allow-natives-syntax --smi-only-arrays --expose-gc
-// Flags: --track-allocation-sites --noalways-opt
+// Flags: --noalways-opt
 
 // Test element kind of objects.
 // Since --smi-only-arrays affects builtins, its default setting at compile
 // time sticks if built with snapshot.  If --smi-only-arrays is deactivated
 // by default, only a no-snapshot build actually has smi-only arrays enabled
 // in this test case.  Depending on whether smi-only arrays are actually
 // enabled, this test takes the appropriate code path to check smi-only arrays.
 
 // support_smi_only_arrays = %HasFastSmiElements(new Array(1,2,3,4,5,6,7,8));
 support_smi_only_arrays = true;
@@ skipping 41 matching lines @@
 var a = f(10);
 
 function g(a) {
   return a[0];
 }
 
 var b = [0];
 g(b);
 g(b);
 assertEquals(undefined, g(a));