chore: remove unused code in theme

[no changelog]

Author: obrusvit

core/embed/rust/src/ui/layout_bolt/theme/mod.rs

@@ -698,9 +698,5 @@ pub const fn borders_horizontal_scroll() -> Insets {
     Insets::new(6, 6, 0, 6)
 }
 
-pub const fn borders_notification() -> Insets {
-    Insets::new(48, 6, 6, 6)
-}
-
 pub const RESULT_ERROR: ResultStyle =
     ResultStyle::new(FG, FATAL_ERROR_COLOR, FATAL_ERROR_HIGHLIGHT_COLOR);

core/embed/rust/src/ui/layout_delizia/theme/mod.rs

@@ -13,7 +13,7 @@ use crate::{
             FixedHeightBar,
         },
         display::Color,
-        geometry::{Insets, Offset},
+        geometry::Offset,
         util::include_icon,
     },
 };
@@ -826,9 +826,5 @@ pub const fn button_bar<T>(inner: T) -> FixedHeightBar<T> {
     FixedHeightBar::bottom(inner, BUTTON_HEIGHT)
 }
 
-pub const fn borders_notification() -> Insets {
-    Insets::new(42, 0, 0, 0)
-}
-
 pub const RESULT_ERROR: ResultStyle =
     ResultStyle::new(FG, FATAL_ERROR_COLOR, FATAL_ERROR_HIGHLIGHT_COLOR);