fix(env): remove unused default currency symbol setting

.env.example

@@ -11,7 +11,6 @@ POSTGRES_DB=postgres                                                          #
 
 # Localization and Display
 DEFAULT_LANGUAGE="ru"                                                         # or "en"
-DEFAULT_CURRENCY_SYMBOL="RUB"                                                 # e.g., RUB, USD, EUR
 
 # External Links
 SUPPORT_LINK=https://t.me/your_support_link                                   # Link to the support chat
@@ -37,7 +36,7 @@ TELEGRAM_WEBHOOK_SECRET=                                                      #
 YOOKASSA_ENABLED=True                                                         # Turn on YOOKASSA
 FREEKASSA_ENABLED=True                                                        # Turn on FreeKassa
 STARS_ENABLED=True                                                            # Turn on STARS
-STARS_PROVIDER_TOKEN=                                                        # Leave empty for Telegram Stars (XTR)
+STARS_PROVIDER_TOKEN=                                                         # Leave empty for Telegram Stars (XTR)
 CRYPTOPAY_ENABLED=True                                                        # Turn on CRYPTOPAY
 PLATEGA_ENABLED=False                                                         # Turn on PLATEGA
 SEVERPAY_ENABLED=False                                                        # Turn on SeverPay

config/settings.py

@@ -18,7 +18,6 @@ class Settings(BaseSettings):
     POSTGRES_DB: str = Field(default="vpn_shop_db")
 
     DEFAULT_LANGUAGE: str = Field(default="ru")
-    DEFAULT_CURRENCY_SYMBOL: str = Field(default="RUB")
 
     SUPPORT_LINK: Optional[str] = Field(default=None)
     SERVER_STATUS_URL: Optional[str] = Field(default=None)