Remove extra comma (MystenLabs#21594)

## Description 
Remove extra comma

## Test plan 
👀

Author: ebmifa

binary-build-list.json

@@ -16,6 +16,6 @@
         "sui-proxy",
         "sui-metric-checker",
         "sui-analytics-indexer",
-        "sui-security-watchdog",
+        "sui-security-watchdog"
 	]
 }