[turbofan] Remove obsolete --turbo-try-catch flag.

src/compiler/ast-graph-builder.cc

Index: src/compiler/ast-graph-builder.cc
diff --git a/src/compiler/ast-graph-builder.cc b/src/compiler/ast-graph-builder.cc
index e1febbaf4da33398526f2d48601547ab31640512..7b9e3662afaaf3ce5c2286995e28482e3aa1cfbf 100644
--- a/src/compiler/ast-graph-builder.cc
+++ b/src/compiler/ast-graph-builder.cc
@@ -1422,9 +1422,6 @@ void AstGraphBuilder::VisitTryCatchStatement(TryCatchStatement* stmt) {
   // Evaluate the catch-block.
   VisitInScope(stmt->catch_block(), stmt->scope(), context);
   try_control.EndCatch();
-
-  // TODO(mstarzinger): Remove bailout once everything works.
-  if (!FLAG_turbo_try_catch) SetStackOverflow();
 }