Revert "feat(loyalty): EnakPoint & EnakCoin" (#32)

This reverts merge commit 645da30, returning main to f0ff59f.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

internal/entities/game_play.go

@@ -12,7 +12,7 @@ type GamePlay struct {
 	GameID     uuid.UUID  `gorm:"type:uuid;not null;index" json:"game_id" validate:"required"`
 	CustomerID uuid.UUID  `gorm:"type:uuid;not null;index" json:"customer_id" validate:"required"`
 	PrizeID    *uuid.UUID `gorm:"type:uuid" json:"prize_id,omitempty"`
-	CoinsUsed  int        `gorm:"column:coins_used;default:0" json:"coins_used" validate:"min=0"`
+	TokenUsed  int        `gorm:"default:0" json:"token_used" validate:"min=0"`
 	RandomSeed *string    `gorm:"type:varchar(255)" json:"random_seed,omitempty"`
 	CreatedAt  time.Time  `gorm:"autoCreateTime" json:"created_at"`