Remove error code validation from config parser

mypy/config_parser.py

@@ -71,15 +71,6 @@ def try_split(v: str | Sequence[str], split_regex: str = "[,]") -> list[str]:
     return [p.strip() for p in v]
 
 
-def validate_codes(codes: list[str]) -> list[str]:
-    invalid_codes = set(codes) - set(error_codes.keys())
-    if invalid_codes:
-        raise argparse.ArgumentTypeError(
-            f"Invalid error code(s): {', '.join(sorted(invalid_codes))}"
-        )
-    return codes
-
-
 def expand_path(path: str) -> str:
     """Expand the user home directory and any environment variables contained within
     the provided path.
@@ -158,8 +149,8 @@ def check_follow_imports(choice: str) -> str:
     "plugins": lambda s: [p.strip() for p in s.split(",")],
     "always_true": lambda s: [p.strip() for p in s.split(",")],
     "always_false": lambda s: [p.strip() for p in s.split(",")],
-    "disable_error_code": lambda s: validate_codes([p.strip() for p in s.split(",")]),
-    "enable_error_code": lambda s: validate_codes([p.strip() for p in s.split(",")]),
+    "disable_error_code": lambda s: [p.strip() for p in s.split(",")],
+    "enable_error_code": lambda s: [p.strip() for p in s.split(",")],
     "package_root": lambda s: [p.strip() for p in s.split(",")],
     "cache_dir": expand_path,
     "python_executable": expand_path,
@@ -179,8 +170,8 @@ def check_follow_imports(choice: str) -> str:
         "plugins": try_split,
         "always_true": try_split,
         "always_false": try_split,
-        "disable_error_code": lambda s: validate_codes(try_split(s)),
-        "enable_error_code": lambda s: validate_codes(try_split(s)),
+        "disable_error_code": lambda s: try_split(s),
+        "enable_error_code": lambda s: try_split(s),
         "package_root": try_split,
         "exclude": str_or_array_as_list,
     }