ngircd: remove has-ts from protocol capabilities

protocols/ngircd.py

@@ -27,9 +27,13 @@ class NgIRCdProtocol(IRCS2SProtocol):
 
         # Track whether we've received end-of-burst from the uplink.
         self.has_eob = False
+
         self._caps = {}
         self._use_builtin_005_handling = True
 
+        # ngIRCd has no TS tracking.
+        self.protocol_caps.discard('has-ts')
+
     ### Commands
 
     def post_connect(self):