Remove autossh reverse tunnel references — module deleted, causing ImportError on startup

modules/connectivity/data_exfil.py

@@ -54,7 +54,7 @@ class ExfilJob:
 
 
 # Connectivity chain — tried in order of preference
-CONNECTIVITY_CHAIN = ["wireguard", "tailscale", "reverse_tunnel", "cellular_backup"]
+CONNECTIVITY_CHAIN = ["wireguard", "tailscale", "cellular_backup"]
 
 NIGHTLY_HOUR = 2   # 2 AM local time for nightly sync
 MAX_ATTEMPTS = 5
@@ -425,9 +425,6 @@ class DataExfil(BaseModule):
             ts_cfg = self.config.get("connectivity", {}).get("tailscale", {})
             return ts_cfg.get("operator_ip")
 
-        elif via_module == "reverse_tunnel":
-            # Reverse tunnel goes through localhost (port is forwarded)
-            return "127.0.0.1"
 
         elif via_module == "cellular_backup":
             # Cellular uses a separate relay