Final answer:
Fix the 6ix, likely associated with Parissa Safai, removed social or systemic barriers for disadvantaged groups in Toronto, though the exact barrier isn't specified without further context.
Step-by-step explanation:
The barrier that Fix the 6ix removed, as led by Parissa Safai, is likely referring to social or systemic obstacles facing disadvantaged populations in Toronto (often referred to as 'the 6ix'). Without specific context, it's challenging to pinpoint the exact barrier addressed. However, initiatives by organizations like Fix the 6ix typically aim to dismantle barriers related to poverty, inequality, or lack of access to resources.