Removes the now saved profiling code

src/documents/profiling.py

@@ -1,71 +0,0 @@
-"""
-Temporary profiling utilities for comparing implementations.
-
-Usage in a management command or shell::
-
-    from documents.profiling import profile_block
-
-    with profile_block("new check_sanity"):
-        messages = check_sanity()
-
-    with profile_block("old check_sanity"):
-        messages = check_sanity_old()
-
-Drop this file when done.
-"""
-
-from __future__ import annotations
-
-import tracemalloc
-from contextlib import contextmanager
-from time import perf_counter
-from typing import TYPE_CHECKING
-
-from django.db import connection
-from django.db import reset_queries
-from django.test.utils import override_settings
-
-if TYPE_CHECKING:
-    from collections.abc import Generator
-
-
-@contextmanager
-def profile_block(label: str = "block") -> Generator[None, None, None]:
-    """Profile memory, wall time, and DB queries for a code block.
-
-    Prints a summary to stdout on exit. Requires no external packages.
-    Enables DEBUG temporarily to capture Django's query log.
-    """
-    tracemalloc.start()
-    snapshot_before = tracemalloc.take_snapshot()
-
-    with override_settings(DEBUG=True):
-        reset_queries()
-        start = perf_counter()
-
-        yield
-
-        elapsed = perf_counter() - start
-        queries = list(connection.queries)
-
-    snapshot_after = tracemalloc.take_snapshot()
-    _, peak = tracemalloc.get_traced_memory()
-    tracemalloc.stop()
-
-    # Compare snapshots for top allocations
-    stats = snapshot_after.compare_to(snapshot_before, "lineno")
-
-    query_time = sum(float(q["time"]) for q in queries)
-    mem_diff = sum(s.size_diff for s in stats)
-
-    print(f"\n{'=' * 60}")  # noqa: T201
-    print(f"  Profile: {label}")  # noqa: T201
-    print(f"{'=' * 60}")  # noqa: T201
-    print(f"  Wall time:    {elapsed:.4f}s")  # noqa: T201
-    print(f"  Queries:      {len(queries)} ({query_time:.4f}s)")  # noqa: T201
-    print(f"  Memory delta: {mem_diff / 1024:.1f} KiB")  # noqa: T201
-    print(f"  Peak memory:  {peak / 1024:.1f} KiB")  # noqa: T201
-    print("\n  Top 5 allocations:")  # noqa: T201
-    for stat in stats[:5]:
-        print(f"    {stat}")  # noqa: T201
-    print(f"{'=' * 60}\n")  # noqa: T201