Rip out most of our outdated modules implementation.

src/full-codegen/x87/full-codegen-x87.cc

Index: src/full-codegen/x87/full-codegen-x87.cc
diff --git a/src/full-codegen/x87/full-codegen-x87.cc b/src/full-codegen/x87/full-codegen-x87.cc
index ce86aeeb47a9d72c674f89501d13276f4bf32feb..6f2e3862f63446b3681072afc1774e6cb6b8e12c 100644
--- a/src/full-codegen/x87/full-codegen-x87.cc
+++ b/src/full-codegen/x87/full-codegen-x87.cc
@@ -818,14 +818,6 @@ void FullCodeGenerator::DeclareGlobals(Handle<FixedArray> pairs) {
 }
 
 
-void FullCodeGenerator::DeclareModules(Handle<FixedArray> descriptions) {
-  // Call the runtime to declare the modules.
-  __ Push(descriptions);
-  __ CallRuntime(Runtime::kDeclareModules);
-  // Return value is ignored.
-}
-
-
 void FullCodeGenerator::VisitSwitchStatement(SwitchStatement* stmt) {
   Comment cmnt(masm_, "[ SwitchStatement");
   Breakable nested_statement(this, stmt);