fix: remove lang keys, remove sounds menu

public/language/en-GB/user.json

@@ -119,12 +119,7 @@
 	"posts_per_page": "Posts per Page",
 	"max_items_per_page": "Maximum %1",
 	"acp_language": "Admin Page Language",
-	"notification_sounds" : "Play a sound when you receive a notification",
-	"notifications_and_sounds": "Notifications & Sounds",
-	"incoming-message-sound": "Incoming message sound",
-	"outgoing-message-sound": "Outgoing message sound",
-	"notification-sound": "Notification sound",
-	"no-sound": "No sound",
+	"notifications": "Notifications",
 	"upvote-notif-freq": "Upvote Notification Frequency",
 	"upvote-notif-freq.all": "All Upvotes",
 	"upvote-notif-freq.first": "First Per Post",

src/views/admin/partials/menu.tpl

@@ -222,7 +222,6 @@
 					<li><a href="{relative_path}/admin/settings/chat">[[admin/menu:settings/chat]]</a></li>
 					<li><a href="{relative_path}/admin/settings/pagination">[[admin/menu:settings/pagination]]</a></li>
 					<li><a href="{relative_path}/admin/settings/notifications">[[admin/menu:settings/notifications]]</a></li>
-					<li><a href="{relative_path}/admin/settings/sounds">[[admin/menu:settings/sounds]]</a></li>
 					<li><a href="{relative_path}/admin/settings/social">[[admin/menu:settings/social]]</a></li>
 					<li><a href="{relative_path}/admin/settings/cookies">[[admin/menu:settings/cookies]]</a></li>
 					<li><a href="{relative_path}/admin/settings/web-crawler">[[admin/menu:settings/web-crawler]]</a></li>