Update the list of Syscoin Rollux Testnet RPCs.

Author: DevElCuy

_data/chains/eip155-57000.json

@@ -3,10 +3,7 @@
   "chain": "SYS",
   "rpc": [
     "https://rpc-tanenbaum.rollux.com",
-    "https://rpc.ankr.com/rollux_testnet/${ANKR_API_KEY}",
-    "wss://rpc-tanenbaum.rollux.com/wss",
-    "https://rollux.rpc.tanenbaum.io",
-    "wss://rollux.rpc.tanenbaum.io/wss"
+    "wss://rpc-tanenbaum.rollux.com/wss"
   ],
   "faucets": ["https://rollux.id/faucetapp"],
   "nativeCurrency": {