Kill stray comma

Dave Abrahams · web-flow · commit 320322f0f45e · 2017-05-23T11:53:23.000-07:00
diff --git a/projects.json b/projects.json
@@ -1939,7 +1939,7 @@
     "actions": [
       {
         "action": "BuildSwiftPackage",
-        "configuration": "release",
+        "configuration": "release"
       }
     ]
   }
