fix nonworking uid for training set

The previous uid in the link to download the train set was broken. I replaced it with the correct one.

craigslist_bargains.py

@@ -44,7 +44,7 @@ _HOMEPAGE = "https://stanfordnlp.github.io/cocoa/"
 _LICENSE = ""
 
 _URLs = {
-    "train": "https://worksheets.codalab.org/rest/bundles/0xd34bbbc5fb3b4fccbd19e10756ca8dd7/contents/blob/parsed.json",
+    "train": "https://worksheets.codalab.org/rest/bundles/0xda2bae7241044dbaa4e8ebb02c280d8f/contents/blob/parsed.json",
     "validation": "https://worksheets.codalab.org/rest/bundles/0x15c4160b43d44ee3a8386cca98da138c/contents/blob/parsed.json",
     "test": "https://worksheets.codalab.org/rest/bundles/0x54d325bbcfb2463583995725ed8ca42b/contents/blob/",
 }