This is really great that you have stopped regular drinking.
Lifestyle modifications really help in reducing risk and complications of many diseases.
Your BP is within normal range.
Next Steps
Still you should not stop medicine by your own.
please consult a good physician in your area for BP monitoring and needful investigation
Be in regular follow up.. Let him take decision regarding need, dose , type, duration of antihypertensive medicine.
Health Tips
Avoid drinking, oily spicy, junk,food as far as possible.
Take healthy diet, do regular work out to keep your self fit .