solves test cases that failed due to hardcoded accounts
handles deletion of legacy accounts
Merge branch 'dev' of https://github.com/TEAMMATES/repo into 72396480
deleted miscellaneous accounts created by accountsLogic
Merge branch 'dev' of https://github.com/TEAMMATES/repo into 72396480
latest push on dev
fixed hard coded accounts problem and deletion of legacy accounts
dev green and handles deletion of legacy accounts before studentProfiles are added to them