QA: Fix Code Smells Detected by Sonarqube

Pada tanggal 31 Oktober 2020 pukul 08.39 terdeteksi 86 code smells pada sonarqube masters. Saya ingin membersihkan code smells tersebut

added Sprint2 label

mentioned in merge request !91 (merged)

closed via merge request !91 (merged)

mentioned in commit 84009dcc

mentioned in commit d80704c1

reopened

mentioned in merge request !94 (merged)

closed via merge request !94 (merged)

mentioned in commit 2c530f59

mentioned in commit c320f26c