Remove support for legacy const, part 1

src/interpreter/bytecode-generator.cc

Index: src/interpreter/bytecode-generator.cc
diff --git a/src/interpreter/bytecode-generator.cc b/src/interpreter/bytecode-generator.cc
index 4ea895526b6b3e8d54908e3ebdc17719938f7293..619ed89a942807cd3d55f7c5bb450452ea5e2392 100644
--- a/src/interpreter/bytecode-generator.cc
+++ b/src/interpreter/bytecode-generator.cc
@@ -624,14 +624,6 @@ void BytecodeGenerator::MakeBytecodeBody() {
     UNIMPLEMENTED();
   }
 
-  // Visit illegal re-declaration and bail out if it exists.
-  if (scope()->HasIllegalRedeclaration()) {
-    Expression* illegal = scope()->GetIllegalRedeclaration();
-    builder()->SetExpressionAsStatementPosition(illegal);
-    VisitForEffect(illegal);
-    return;
-  }
-
   // Visit declarations within the function scope.
   VisitDeclarations(scope()->declarations());