bugfix: Delete walletView in WalletFrame::removeWallet

Author: promag

src/qt/walletframe.cpp

@@ -94,6 +94,7 @@ bool WalletFrame::removeWallet(const QString &name)
 
     WalletView *walletView = mapWalletViews.take(name);
     walletStack->removeWidget(walletView);
+    delete walletView;
     return true;
 }