refactor: Remove unused ephemeral func

hoyo_buddy/utils.py

@@ -29,7 +29,7 @@
     import pathlib
     from collections.abc import Sequence
 
-    from discord import Interaction, Member, User
+    from discord import Member, User
 
 
 def get_now() -> datetime.datetime:
@@ -169,13 +169,6 @@ def get_floor_difficulty(floor_name: str, season_name: str) -> str:
     return floor_name.replace(season_name, "").replace(":", "").replace("•", "").strip()
 
 
-def ephemeral(i: Interaction) -> bool:
-    """Returns true if the interaction needs to be ephemeral."""
-    if i.guild is None:
-        return False
-    return not i.app_permissions.send_messages
-
-
 def get_static_img_path(image_url: str, folder: str) -> pathlib.Path:
     extra_folder = image_url.split("/")[-2]
     filename = clean_url(image_url).split("/")[-1]