Fix Alembic issue

services/auth/app/models/users.py

@@ -54,35 +54,4 @@ class User(Base):
             "created_at": self.created_at.isoformat() if self.created_at else None,
             "updated_at": self.updated_at.isoformat() if self.updated_at else None,
             "last_login": self.last_login.isoformat() if self.last_login else None
-        }
-
-
-class RefreshToken(Base):
-    """Refresh token model for JWT token management"""
-    __tablename__ = "refresh_tokens"
-    
-    id = Column(UUID(as_uuid=True), primary_key=True, default=uuid.uuid4)
-    user_id = Column(UUID(as_uuid=True), ForeignKey("users.id"), nullable=False)
-    token = Column(String(500), unique=True, nullable=False)
-    expires_at = Column(DateTime(timezone=True), nullable=False)
-    is_revoked = Column(Boolean, default=False)
-    revoked_at = Column(DateTime(timezone=True), nullable=True)
-    
-    # Timezone-aware datetime fields
-    created_at = Column(DateTime(timezone=True), default=lambda: datetime.now(timezone.utc))
-    updated_at = Column(DateTime(timezone=True), default=lambda: datetime.now(timezone.utc), onupdate=lambda: datetime.now(timezone.utc))
-    
-    def __repr__(self):
-        return f"<RefreshToken(id={self.id}, user_id={self.user_id}, is_revoked={self.is_revoked})>"
-    
-    def to_dict(self):
-        """Convert refresh token to dictionary"""
-        return {
-            "id": str(self.id),
-            "user_id": str(self.user_id),
-            "token": self.token,
-            "expires_at": self.expires_at.isoformat() if self.expires_at else None,
-            "is_revoked": self.is_revoked,
-            "created_at": self.created_at.isoformat() if self.created_at else None,
-            "updated_at": self.updated_at.isoformat() if self.updated_at else None
         }