Move logging into its own file

PFERD/__init__.py

@@ -5,33 +5,4 @@ This module exports only what you need for a basic configuration. If you want a
 more complex configuration, you need to import the other submodules manually.
 """
 
-import logging
-
 from .pferd import Pferd
-
-STYLE = "{"
-FORMAT = "[{levelname:<7}] {message}"
-DATE_FORMAT = "%F %T"
-
-FORMATTER = logging.Formatter(
-    fmt=FORMAT,
-    datefmt=DATE_FORMAT,
-    style=STYLE,
-)
-
-
-def enable_logging(name: str = "PFERD", level: int = logging.INFO) -> None:
-    """
-    Enable and configure logging via the logging module.
-    """
-
-    handler = logging.StreamHandler()
-    handler.setFormatter(FORMATTER)
-
-    logger = logging.getLogger(name)
-    logger.setLevel(level)
-    logger.addHandler(handler)
-
-    # This should be logged by our own handler, and not the root logger's
-    # default handler, so we don't pass it on to the root logger.
-    logger.propagate = False