message: add localisation for title, remove double click title
diff: "message": "Show private keys",
  "files": ["shared/pages/Wallet/Wallet.js"]
  },
  + {
  + "id": "WalletPage_Heading",
  + "message": "Wallet",
  + "files": ["shared/pages/Wallet/Wallet.js"]
  + },
  {
  "id": "WalletPage_ImportKeys",
  "message": "Import keys",
  