[turbofan] Remove support for LazyBailout operators.

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 a3df160e5896b2e6719565e0e738e2e4f97341bf..32c6147ae46bdb6465136fc7215924e6db5cc00a 100644
--- a/src/compiler/ast-graph-builder.cc
+++ b/src/compiler/ast-graph-builder.cc
@@ -1449,14 +1449,6 @@ void AstGraphBuilder::VisitTryCatchStatement(TryCatchStatement* stmt) {
   }
   try_control.EndTry();
 
-  // Insert lazy bailout point.
-  // TODO(mstarzinger): We are only using a 'call' to get a lazy bailout
-  // point. Ideally, we whould not re-enter optimized code when deoptimized
-  // lazily. Tracked by issue v8:4195.
-  NewNode(common()->LazyBailout(),
-          jsgraph()->ZeroConstant(),                      // dummy target.
-          environment()->Checkpoint(stmt->HandlerId()));  // frame state.
-
   // Clear message object as we enter the catch block.
   Node* the_hole = jsgraph()->TheHoleConstant();
   NewNode(javascript()->StoreMessage(), the_hole);
@@ -1501,14 +1493,6 @@ void AstGraphBuilder::VisitTryFinallyStatement(TryFinallyStatement* stmt) {
   }
   try_control.EndTry(commands->GetFallThroughToken(), fallthrough_result);
 
-  // Insert lazy bailout point.
-  // TODO(mstarzinger): We are only using a 'call' to get a lazy bailout
-  // point. Ideally, we whould not re-enter optimized code when deoptimized
-  // lazily. Tracked by issue v8:4195.
-  NewNode(common()->LazyBailout(),
-          jsgraph()->ZeroConstant(),                      // dummy target.
-          environment()->Checkpoint(stmt->HandlerId()));  // frame state.
-
   // The result value semantics depend on how the block was entered:
   //  - ReturnStatement: It represents the return value being returned.
   //  - ThrowStatement: It represents the exception being thrown.