Revert "feat: frosted glass"

This reverts commit bce5164eea.

resources/default_schema/com.system76.CosmicTheme.Dark/v2/background

@@ -1,20 +0,0 @@
-(
-    base: "#1B1B1BFF",
-    component: (
-        base: "#2E2E2EFF",
-        hover: "#434343FF",
-        pressed: "#585858FF",
-        selected: "#434343FF",
-        selected_text: "#63D0DFFF",
-        focus: "#63D0DFFF",
-        divider: "#C0C0C033",
-        on: "#C0C0C0FF",
-        disabled: "#2E2E2E80",
-        on_disabled: "#C0C0C0A6",
-        border: "#BEBEBEFF",
-        disabled_border: "#BEBEBE80",
-    ),
-    divider: "#444444FF",
-    on: "#E7E7E7FF",
-    small_widget: "#27272740",
-)