[turbofan] Remove deprecated --turbo-from-bytecode flag.

test/mjsunit/regress/regress-crbug-635923.js

Index: test/mjsunit/regress/regress-crbug-635923.js
diff --git a/test/mjsunit/regress/regress-crbug-635923.js b/test/mjsunit/regress/regress-crbug-635923.js
index aea5e3a97c0ba6b023298e2b6d1c6b477fd01832..5b697d74adde755b442351f9e981aab24192714b 100644
--- a/test/mjsunit/regress/regress-crbug-635923.js
+++ b/test/mjsunit/regress/regress-crbug-635923.js
@@ -2,7 +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 --ignition --turbo-from-bytecode --turbo-filter=f
+// Flags: --allow-natives-syntax --ignition --turbo-filter=f
 
 function f(x) { return x + 23 }
 function g(x) { return f(x) + 42 }