Revert of Add deduplication logic to .pak files

tools/grit/pak_util.py

Index: tools/grit/pak_util.py
diff --git a/tools/grit/pak_util.py b/tools/grit/pak_util.py
index dd98049b1521fa3c91d89d878fdbfd1e86fb849b..e98f9bd39005ec58200d0aa7c19a2a9d7025644b 100755
--- a/tools/grit/pak_util.py
+++ b/tools/grit/pak_util.py
@@ -33,7 +33,6 @@
 
 def _PrintMain(args):
   pak = data_pack.ReadDataPack(args.pak_file)
-  id_map = {id(v): k for k, v in sorted(pak.resources.items(), reverse=True)}
   encoding = 'binary'
   if pak.encoding == 1:
     encoding = 'utf-8'
@@ -58,13 +57,8 @@
       except UnicodeDecodeError:
         pass
     sha1 = hashlib.sha1(data).hexdigest()[:10]
-    canonical_id = id_map[id(data)]
-    if resource_id == canonical_id:
-      line = u'Entry(id={}, len={}, sha1={}): {}'.format(
-          resource_id, len(data), sha1, desc)
-    else:
-      line = u'Entry(id={}, alias_of={}): {}'.format(
-          resource_id, canonical_id, desc)
+    line = u'Entry(id={}, len={}, sha1={}): {}'.format(
+        resource_id, len(data), sha1, desc)
     print line.encode('utf-8')