fix: restore missing route

dzgui/managers/config.py

@@ -46,6 +46,15 @@ class ConfigManager:
         ips.append(record)
         self.update_config(Preferences.IP_LIST, ips)
 
+    def remove_from_history_file(self, fqip: str) -> None:
+        try:
+            history = self.prefs.paths.history
+            ips = [line.rstrip() for line in history.read_text().splitlines()]
+            ips.remove(fqip)
+            history.write_text("\n".join(ips))
+        except Exception as e:
+            logger.critical(e)
+
     def update_history_file(self, fqip: str) -> None:
         try:
             with open(self.prefs.paths.history, "r") as f: