update scripts/servers to display server version

scripts/servers

@@ -2,25 +2,13 @@
 
 from electrum import set_verbosity
 from electrum.network import filter_protocol
-from collections import defaultdict
 
 import util, json
 set_verbosity(False)
 
 
 servers = util.get_peers()
-results = util.send_request(servers, 'blockchain.headers.subscribe', [])
 
-d = defaultdict(int)
+for k, v in sorted(servers.items(), key=lambda x:x[1].get('version')):
+    print("%40s"%k, v.get('version'))
 
-for k, r in results.items():
-    blocks = r.get('block_height')
-    d[blocks] += 1
-
-for k, v in results.items():
-    print(k, v.get('block_height'))
-
-v = list(d.values())
-k = list(d.keys())
-numblocks = k[v.index(max(v))]
-print("blocks:", numblocks)