[mjsunit] Remove unsupported flag --turbo-deoptimization from tests.

test/mjsunit/compiler/try-deopt.js

 // 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: --allow-natives-syntax --turbo-deoptimization
+// Flags: --allow-natives-syntax
 
 function DeoptFromTry(x) {
   try {
     %DeoptimizeFunction(DeoptFromTry);
     throw x;
   } catch (e) {
     return e + 1;
   }
   return x + 2;
 }
@@ skipping 30 matching lines @@
 function DeoptFromFinally_ReThrow(x) {
   try {
     throw x;
   } finally {
     %DeoptimizeFunction(DeoptFromFinally_ReThrow);
   }
   return x + 2;
 }
 %OptimizeFunctionOnNextCall(DeoptFromFinally_ReThrow);
 assertThrows("DeoptFromFinally_ReThrow(new Error)", Error);