Revert of [wasm] reuse the first compiled module

src/snapshot/code-serializer.cc

Index: src/snapshot/code-serializer.cc
diff --git a/src/snapshot/code-serializer.cc b/src/snapshot/code-serializer.cc
index 5011558f4623cd71097e6cd0f943af5d670fa193..8d2f5d933994cbab63e6451973137fe11c50496a 100644
--- a/src/snapshot/code-serializer.cc
+++ b/src/snapshot/code-serializer.cc
@@ -98,10 +98,6 @@
     UNREACHABLE();
   }
 
-  if (SkipOver(obj)) {
-    return SerializeObject(*isolate()->factory()->undefined_value(),
-                           how_to_code, where_to_point, skip);
-  }
   // Past this point we should not see any (context-specific) maps anymore.
   CHECK(!obj->IsMap());
   // There should be no references to the global object embedded.