Bug 821814 - Followup disable debug flag. r=me

dom/settings/SettingsDB.jsm

@@ -10,7 +10,7 @@ let Cu = Components.utils;
 
 this.EXPORTED_SYMBOLS = ["SettingsDB", "SETTINGSDB_NAME", "SETTINGSSTORE_NAME"];
 
-const DEBUG = true;
+const DEBUG = false;
 function debug(s) {
   if (DEBUG) dump("-*- SettingsDB: " + s + "\n");
 }