Update mythril_config.py - Remove TODO (#1814)

* Update mythril_config.py - Remove TODO

* Remove # type:ignore

mythril/mythril/mythril_config.py

@@ -199,8 +199,7 @@ class MythrilConfig:
     def set_api_from_config_path(self) -> None:
         """Set the RPC mode based on a given config file."""
         config = ConfigParser(allow_no_value=False)
-        # TODO: Remove this after this issue https://github.com/python/mypy/issues/2427 is closed
+        config.optionxform = str
-        config.optionxform = str  # type:ignore
         config.read(self.config_path, "utf-8")
         if config.has_option("defaults", "dynamic_loading"):
             dynamic_loading = config.get("defaults", "dynamic_loading")