Update paper title and link in mgb-2 dataset

Author: zaidalyafeai

datasets/mgb-2.json

@@ -16,8 +16,8 @@
     "Ethical Risks": "Low",
     "Provider": "QCRI",
     "Derived From": "",
-    "Paper Title": "SPEECH RECOGNITION CHALLENGE IN THE WILD: ARABIC MGB-3\r",
-    "Paper Link": "https://arxiv.org/pdf/1709.07276.pdf",
+    "Paper Title": "The MGB-2 Challenge: Arabic Multi-Dialect Broadcast Media Recognition",
+    "Paper Link": "https://arxiv.org/pdf/1609.05625",
     "Script": "Arab",
     "Tokenized": "Yes",
     "Host": "other",