Fix lints

Signed-off-by: Jon Johnson <jon.johnson@chainguard.dev>

Author: jonjohnsonjr

src/spdx_tools/spdx/model/document.py

@@ -95,4 +95,4 @@ def cached_function(document: Document):
             cache[key] = value
             return value
 
-    return cached_function
+    return cached_function

src/spdx_tools/spdx/validation/spdx_id_validators.py

@@ -6,8 +6,6 @@
 
 from beartype.typing import List, Set
 
-from functools import cache
-
 from spdx_tools.spdx.document_utils import get_contained_spdx_element_ids
 from spdx_tools.spdx.model import Document, File
 from spdx_tools.spdx.model.document import document_cache
@@ -25,7 +23,6 @@ def is_spdx_id_present_in_files(spdx_id: str, files: List[File]) -> bool:
     return spdx_id in [file.spdx_id for file in files]
 
 
-# @cache
 def is_spdx_id_present_in_document(spdx_id: str, document: Document) -> bool:
     all_spdx_ids_in_document: Set[str] = get_set_of_all_spdx_ids(document)