Remove troop ratio slider and description (#2617)

## Description:

Removed unused translation strings and code.

## Please complete the following:

- [x] I have added screenshots for all UI updates
- [x] I process any text displayed to the user through translateText()
and I've added it to the en.json file
- [x] I have added relevant tests to the test directory
- [x] I confirm I have thoroughly tested these changes and take full
responsibility for any bugs introduced

## Please put your Discord username so you can be contacted if a bug or
regression is found:

aotumuri

resources/lang/en.json

@@ -357,7 +357,6 @@
     "left_click_menu": "Left Click Menu",
     "attack_ratio_label": "⚔️ Attack Ratio",
     "attack_ratio_desc": "What percentage of your troops to send in an attack (1–100%)",
-    "troop_ratio_desc": "Adjust the balance between troops (for combat) and workers (for gold production) (1–100%)",
     "territory_patterns_label": "🏳️ Territory Skins",
     "territory_patterns_desc": "Choose whether to display territory skin designs in game",
     "performance_overlay_label": "Performance Overlay",