Disable ftx ccxt_compat tests

Their API is down due to being insolvent ...

tests/exchange/test_ccxt_compat.py

@@ -45,16 +45,16 @@ EXCHANGES = {
         'leverage_tiers_public': False,
         'leverage_in_spot_market': True,
     },
-    'ftx': {
-        'pair': 'BTC/USD',
-        'stake_currency': 'USD',
-        'hasQuoteVolume': True,
-        'timeframe': '5m',
-        'futures_pair': 'BTC/USD:USD',
-        'futures': False,
-        'leverage_tiers_public': False,  # TODO: Set to True once implemented on CCXT
-        'leverage_in_spot_market': True,
-    },
+    # 'ftx': {
+    #     'pair': 'BTC/USD',
+    #     'stake_currency': 'USD',
+    #     'hasQuoteVolume': True,
+    #     'timeframe': '5m',
+    #     'futures_pair': 'BTC/USD:USD',
+    #     'futures': False,
+    #     'leverage_tiers_public': False,  # TODO: Set to True once implemented on CCXT
+    #     'leverage_in_spot_market': True,
+    # },
     'kucoin': {
         'pair': 'XRP/USDT',
         'stake_currency': 'USDT',