IGameplaySettings
Clean up various obsoleted code
PositionalHitsounds
ShowProgressGraph
This was moved to the component itself.
It was previously bumped from 60% to 80%, but I've recently felt that this is too high as a default, and takes away from storyboards and video backgrounds.
Change default skin for new installations to "Argon"
Closes #20459.
DefaultSkin
Triangles
OsuConfigManager
ConfigManager
SettingSourceAttribute
I completely disagree with this from a UX perspective, but it's come up so often that I figure we should just let users bone themselves.
ChatOverlay
ChatOverlayV2
Allow importing sprites into a skin via drag-and-drop
SettingsItem
Drawable
GetSettingUnderlyingValue
SettingSource