Revert "Metrics be dead"

This reverts commit 0a9fd4a92e.

src/main/resources/config.yml

@@ -12,6 +12,8 @@ General:
     MOTD_Enabled: true
     # Amount of time (in minutes) to wait between saves of player information
     Save_Interval: 10
+    # Allow mcMMO to report on basic anonymous usage
+    Stats_Tracking: true
     # Allow mcMMO to check if a new version is available
     Update_Check: true
     Prefer_Beta: false