[Interpreter] Drop obsolete BuildConstantElements call.

R=rmcilroy@chromium.org

Review URL: https://codereview.chromium.org/1403613003

Cr-Commit-Position: refs/heads/master@{#31251}

src/interpreter/bytecode-generator.cc

@@ -503,7 +503,6 @@ void BytecodeGenerator::VisitObjectLiteral(ObjectLiteral* expr) {
 
 void BytecodeGenerator::VisitArrayLiteral(ArrayLiteral* expr) {
   // Deep-copy the literal boilerplate.
-  expr->BuildConstantElements(isolate());
   builder()
       ->LoadLiteral(expr->constant_elements())
       .CreateArrayLiteral(expr->literal_index(), expr->ComputeFlags(true));