refactor: Xtreme FW is dead

Given that, there is no sense to continue building artifacts for it

config/app/config.h

@@ -1,7 +1,7 @@
 // List of compatible firmwares
 #define TOTP_FIRMWARE_OFFICIAL_STABLE (1)
 #define TOTP_FIRMWARE_OFFICIAL_DEV (2)
-#define TOTP_FIRMWARE_XTREME_UL (3)
+#define TOTP_FIRMWARE_UNLEASHED (3)
 #define TOTP_FIRMWARE_MOMENTUM (4)
 // End of list
 
@@ -13,9 +13,7 @@
 #if defined(TARGET_FIRMWARE_OFFICIAL) || defined(FW_ORIGIN_Official)
 #define TOTP_TARGET_FIRMWARE TOTP_FIRMWARE_OFFICIAL_STABLE
 #elif defined(TARGET_FIRMWARE_UNLEASHED) || defined(FW_ORIGIN_Unleashed)
-#define TOTP_TARGET_FIRMWARE TOTP_FIRMWARE_XTREME_UL
-#elif defined(TARGET_FIRMWARE_XTREME) || defined(FW_ORIGIN_Xtreme)
-#define TOTP_TARGET_FIRMWARE TOTP_FIRMWARE_XTREME_UL
+#define TOTP_TARGET_FIRMWARE TOTP_FIRMWARE_UNLEASHED
 #elif defined(TARGET_FIRMWARE_MOMENTUM) || defined(FW_ORIGIN_Momentum)
 #define TOTP_TARGET_FIRMWARE TOTP_FIRMWARE_MOMENTUM
 #else