combine audiobooks: remove unecessary function

audiobook_metadata/combine_audiobookmedia_to_m4b.py

@@ -8,7 +8,6 @@ import subprocess
 import tempfile
 from pathlib import Path
 import time
-from typing import Any
 
 RED = "\033[91m"
 GREEN = "\033[92m"
@@ -145,36 +144,6 @@ def create_m4b(root_path: Path, book_dir: Path) -> None:
         else:
             log_message(f"{RED}[ERROR]{RESET} - {book_dir.name} - Code: {result.returncode}, Stderr: {result.stderr}")
 
-def find_book_dirs(root: Path) -> tuple[list[Any], int]:
-    """
-    A book directory is any directory containing more than one
-    audiobook file (.mp3, .m4a, .m4b)
-    """
-
-    media_files = (
-        list(root.rglob("*.mp3"))
-        + list(root.rglob("*.m4a"))
-        + list(root.rglob("*.m4b"))
-        + list(root.rglob("*.opus"))
-    )
-
-    counts: dict[Path, int] = {}
-
-    for file in media_files:
-        if counts.get(file.parent, 0) > 1:
-            continue
-        counts[file.parent] = counts.get(file.parent, 0) + 1
-
-    directories = []
-    size = 0
-    for directory, count in counts.items():
-        if count > 1:
-            directories.append(directory)
-            size += sum(file.stat().st_size for pattern in ("*.mp3", "*.m4a", "*.m4b", "*.opus") for file in directory.glob(pattern))
-
-
-    return sorted(directories), size
-
 def process_book(args):
     target, book_dir = args
     try: