App 2.35.1: remove Aviation; Sci-fi colours the app in its frame's lilac

Aviation is removed (a stored one opens Tiles). The app's Sci-fi palette
now takes the lilac of the console frame's lower elbow instead of the
orange of the upper one.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01LhzAVaUyqcw5PkGjz4mWW6

app/src/main/res/values/strings.xml

@@ -135,7 +135,6 @@
     <string name="overview_style_minimal">Minimal</string>
     <string name="overview_style_terminal">Terminal</string>
     <string name="accent_original">Original</string>
-    <string name="overview_style_aviation">Aviation</string>
     <string name="overview_style_nixie">Nixie tubes</string>
     <string name="overview_style_chronograph">Chronograph</string>
     <string name="cockpit_battery">BATTERY</string>