feat: change tier back to number

packages/bot/src/commands/ownedTanks.tsx

@@ -2,7 +2,6 @@ import {
   TANK_CLASSES,
   TIER_ROMAN_NUMERALS,
   TankDefinition,
-  Tier,
   flags,
   getAccountInfo,
   getTankStats,
@@ -80,7 +79,7 @@ export const ownedTanksCommand = new Promise<CommandRegistry>((resolve) => {
         index === 0
           ? `${translate('bot.commands.owned_tanks.body.title', [
               markdownEscape(accountInfo.nickname),
-              TIER_ROMAN_NUMERALS[tier as Tier],
+              TIER_ROMAN_NUMERALS[tier],
             ])}${lines.join('\n')}`
           : lines.join('\n'),
       );

packages/bot/src/commands/ratingLeaderboard.tsx

@@ -3,7 +3,6 @@ import {
   FIRST_MINIMAL_ARCHIVED_RATING_SEASON,
   getAccountInfo,
   getArchivedLatestSeasonNumber,
-  getArchivedRatingInfo,
   getArchivedRatingLeaderboard,
   getArchivedRatingMidnightLeaderboard,
   getClanAccountInfo,
@@ -12,7 +11,6 @@ import {
   getRatingNeighbors,
   isOnGoingRatingSeason,
   LEAGUES,
-  RatingInfo,
   Region,
 } from '@blitzkit/core';
 import {