cleanup(replays): Delete unused cache interfaces (#62180)

Drops unused cache interfaces. Not explicitly tied to COGS. The Redis
instance will be removed in another PR.

Related: https://github.com/getsentry/ops/pull/8841
Ref: https://github.com/getsentry/team-replay/issues/333

src/sentry/replays/cache.py

@@ -1,66 +0,0 @@
-"""Recording segment part cache manager."""
-from __future__ import annotations
-
-from typing import Any, Generator
-
-from django.conf import settings
-
-from sentry.cache import default_cache
-from sentry.cache.base import BaseCache
-from sentry.utils import metrics
-from sentry.utils.imports import import_string
-
-TIMEOUT = 3600
-
-
-class RecordingSegmentCache:
-    def __init__(self, prefix: str) -> None:
-        self.prefix = prefix
-
-    @metrics.wraps("replays.cache.get_recording_segment")
-    def __getitem__(self, index: int) -> bytes:
-        result = replay_cache.get(self.__key(index), raw=True)
-        if result is None:
-            raise ValueError(f"Missing data for chunk with id {self.__key(index)}.")
-        elif isinstance(result, str):
-            return result.encode()
-        else:
-            return result
-
-    @metrics.wraps("replays.cache.set_recording_segment")
-    def __setitem__(self, index: int, value: bytes) -> None:
-        return replay_cache.set(self.__key(index), value, timeout=TIMEOUT, raw=True)
-
-    @metrics.wraps("replays.cache.del_recording_segment")
-    def __delitem__(self, index: int) -> None:
-        replay_cache.delete(self.__key(index))
-
-    def __key(self, index: int) -> str:
-        """Return an prefixed recording-segment-part key."""
-        return f"{self.prefix}-{index}"
-
-
-class RecordingSegmentParts:
-    def __init__(self, prefix: str, num_parts: int) -> None:
-        self.prefix = prefix
-        self.num_parts = num_parts
-
-    def __iter__(self) -> Generator[bytes, None, None]:
-        """Iterate over each recording segment part."""
-        part = RecordingSegmentCache(self.prefix)
-        for i in range(self.num_parts):
-            yield part[i]
-
-    def drop(self):
-        """Delete all the parts associated with the recording segment."""
-        part = RecordingSegmentCache(self.prefix)
-        for i in range(self.num_parts):
-            del part[i]
-
-
-def default(**options: Any) -> BaseCache:
-    """The default path for non-configured instances."""
-    return default_cache
-
-
-replay_cache = import_string(settings.SENTRY_REPLAYS_CACHE)(**settings.SENTRY_REPLAYS_CACHE_OPTIONS)