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

test/mjsunit/regress/regress-assignment-in-test-context.js

Index: test/mjsunit/regress/regress-assignment-in-test-context.js
diff --git a/test/mjsunit/regress/regress-assignment-in-test-context.js b/test/mjsunit/regress/regress-assignment-in-test-context.js
index bc4098554a74ce6c44c14f7cb4046005378f429a..61ca2202931996755e1306670d1adfd4aca83bd2 100644
--- a/test/mjsunit/regress/regress-assignment-in-test-context.js
+++ b/test/mjsunit/regress/regress-assignment-in-test-context.js
@@ -2,8 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-// Flags: --allow-natives-syntax --always-opt
-// Flags: --turbo-filter=* --turbo-deoptimization
+// Flags: --allow-natives-syntax --always-opt --turbo-filter=*
 
 function assertEquals() {}