Remove CryptoTradingAPI, it's broken

README.md

@@ -426,7 +426,6 @@ API | Description | Auth | HTTPS | CORS |
 | [CryptoCompare](https://www.cryptocompare.com/api#) | Cryptocurrencies Comparison | No | Yes | Unknown |
 | [CryptoMarket](https://api.exchange.cryptomkt.com/) | Cryptocurrencies Trading platform | `apiKey` | Yes | Yes |
 | [Cryptonator](https://www.cryptonator.com/api/) | Cryptocurrencies Exchange Rates | No | Yes | Unknown |
-| [CryptoTradingAPI](https://www.cryptotradingapi.io/) | Crypto Prices & Technical Indicators | `apiKey` | Yes | Unknown |
 | [dYdX](https://docs.dydx.exchange/) | Decentralized cryptocurrency exchange | `apiKey` | Yes | Unknown |
 | [Ethplorer](https://github.com/EverexIO/Ethplorer/wiki/Ethplorer-API) | Ethereum tokens, balances, addresses, history of transactions, contracts, and custom structures | `apiKey` | Yes | Unknown |
 | [EXMO](https://documenter.getpostman.com/view/10287440/SzYXWKPi) | Cryptocurrencies exchange based in UK | `apiKey` | Yes | Unknown |