refactor: drop the pass-through try/except around channel.send

T3-21: except discord.HTTPException: raise did nothing; the exception already
propagates unwrapped.

Signed-off-by: disqualifier <dev@disqualifier.me>

src/dpy_cache/dpy_cache.py

@@ -140,12 +140,7 @@ class DPYCache:
         for start in range(0, len(items), MAX_ATTACHMENTS_PER_MESSAGE):
             group = items[start:start + MAX_ATTACHMENTS_PER_MESSAGE]
             discord_files = [self._to_file(name, source) for name, source in group]
-            try:
             message = await self._channel.send(content=content, files=discord_files)
-            except discord.HTTPException:
-                # raise XOR log: HTTPException propagates unwrapped (the documented contract),
-                # so the exception carries the failure to the caller - no error log here.
-                raise
 
             attachments = list(message.attachments)
             if len(attachments) != len(group):