Rip out most of our outdated modules implementation.

src/full-codegen/full-codegen.cc

Index: src/full-codegen/full-codegen.cc
diff --git a/src/full-codegen/full-codegen.cc b/src/full-codegen/full-codegen.cc
index 03140c9b0e87d545ed18ab84623ba7e8e879f0d3..ba9e8a2f97d144630180aec30e14d2c6d50b36f0 100644
--- a/src/full-codegen/full-codegen.cc
+++ b/src/full-codegen/full-codegen.cc
@@ -430,11 +430,6 @@ void FullCodeGenerator::VisitImportDeclaration(ImportDeclaration* declaration) {
 }
 
 
-void FullCodeGenerator::VisitExportDeclaration(ExportDeclaration* declaration) {
-  // TODO(rossberg)
-}
-
-
 void FullCodeGenerator::VisitVariableProxy(VariableProxy* expr) {
   Comment cmnt(masm_, "[ VariableProxy");
   EmitVariableLoad(expr);