Remove Beta warning

src/WindowManager.cpp

@@ -102,14 +102,6 @@ void WindowManager::startupWarning() {
         this->showWarningMessageBox("Warning", worthlessWarning.arg("testnet"));
         config()->set(Config::warnOnTestnet, false);
     }
-
-    // Beta
-    if (config()->get(Config::warnOnAlpha).toBool()) {
-        QString warning = "Feather Wallet is currently in beta.\n\nPlease report any bugs "
-                          "you encounter on our Git repository, IRC or on /r/FeatherWallet.";
-        this->showWarningMessageBox("Beta warning", warning);
-        config()->set(Config::warnOnAlpha, false);
-    }
 }
 
 void WindowManager::showWarningMessageBox(const QString &title, const QString &message) {

src/utils/config.cpp

@@ -20,7 +20,6 @@ static const QHash<Config::ConfigKey, ConfigDirective> configStrings = {
         {Config::firstRun, {QS("firstRun"), true}},
         {Config::warnOnStagenet,{QS("warnOnStagenet"), true}},
         {Config::warnOnTestnet,{QS("warnOnTestnet"), true}},
-        {Config::warnOnAlpha,{QS("warnOnAlpha"), true}},
 
         {Config::homeWidget,{QS("homeWidget"), "ccs"}},
         {Config::donateBeg,{QS("donateBeg"), 1}},