Remove legacy code for format conversion

solar_relay/config.py

@@ -9,8 +9,6 @@ import tomllib
 from urllib.parse import urlsplit
 from zoneinfo import ZoneInfo
 
-LEGACY_HISTORY_SETTINGS = {"access_key_id_env", "access_key_value_env", "lookback_days"}
-
 
 def utc_text(value: datetime) -> str:
     if value.tzinfo is None:
@@ -131,8 +129,7 @@ def load_config(path: Path) -> Config:
         "inverter": set(InverterConfig.__dataclass_fields__),
         "upload": set(UploadConfig.__dataclass_fields__),
         "http": set(HttpConfig.__dataclass_fields__),
-        # Keep existing private configurations valid while using the full retention window.
-        "history": set(HistoryConfig.__dataclass_fields__) | LEGACY_HISTORY_SETTINGS,
+        "history": set(HistoryConfig.__dataclass_fields__),
     }.items():
         if not isinstance(data.get(section, {}), dict):
             raise ValueError(f"{section} must be a table")
@@ -193,8 +190,7 @@ def load_config(path: Path) -> Config:
         raise ValueError("http.base_path must be empty or a URL path without a trailing slash")
     if isinstance(http.history_days, bool) or not isinstance(http.history_days, int) or not 1 <= http.history_days <= 90:
         raise ValueError("http.history_days must be an integer between 1 and 90")
-    history = HistoryConfig(**{key: value for key, value in data.get("history", {}).items()
-                              if key not in LEGACY_HISTORY_SETTINGS})
+    history = HistoryConfig(**data.get("history", {}))
     if not isinstance(history.enabled, bool):
         raise ValueError("history.enabled must be true or false")
     if not isinstance(history.pv_system_id, str) or (history.pv_system_id and not re.fullmatch(r"[0-9a-fA-F]{8}(?:-[0-9a-fA-F]{4}){3}-[0-9a-fA-F]{12}", history.pv_system_id)):