[Lab_4] Remove unused code
[Lab_4] Remove unused code

akashin/HSE_AI_Labs,akashin/HSE_AI_Labs,akashin/HSE_AI_Labs,akashin/HSE_AI_Labs,viviken/HSE_AI_Labs,akashin/HSE_AI_Labs,viviken/HSE_AI_Labs,akashin/HSE_AI_Labs,akashin/HSE_AI_Labs,viviken/HSE_AI_Labs,viviken/HSE_AI_Labs