Revert of [Crankshaft] Always check for stubs marked to not require an eager frame.

src/code-stubs-hydrogen.cc

Index: src/code-stubs-hydrogen.cc
diff --git a/src/code-stubs-hydrogen.cc b/src/code-stubs-hydrogen.cc
index 28c646f27b11670fccabd599d7858d5fa4b7fc41..672023c0e01f21d9f9defc2eeef9bf14a9f811b6 100644
--- a/src/code-stubs-hydrogen.cc
+++ b/src/code-stubs-hydrogen.cc
@@ -2061,12 +2061,7 @@
   HValue* index = GetParameter(RegExpConstructResultStub::kIndex);
   HValue* input = GetParameter(RegExpConstructResultStub::kInput);
 
-  // TODO(turbofan): This codestub has regressed to need a frame on ia32 at some
-  // point and wasn't caught since it wasn't built in the snapshot. We should
-  // probably just replace with a TurboFan stub rather than fixing it.
-#if !V8_TARGET_ARCH_IA32
   info()->MarkMustNotHaveEagerFrame();
-#endif
 
   return BuildRegExpConstructResult(length, index, input);
 }