Fix to remove part class in list item or it will be included in buildMap process
Fix to remove part class in list item or it will be included in buildMap process

jccrofty30/hackmd,aswathyjacob8/newtest,Rwing/hackmd,hackmdio/hackmd,Yukaii/hackmd,jackycute/HackMD,PeterDaveHello/hackmd,hackmdio/hackmd,Rwing/hackmd,xnum/hackmd,ironhack/hackmd,xnum/hackmd,Rory80Hz/hackmd,Yukaii/hackmd,hackmdio/hackmd,ironhack/hackmd,PeterDaveHello/hackmd,PeterDaveHello/hackmd,jackycute/HackMD,Rory80Hz/hackmd,jccrofty30/hackmd,Rwing/hackmd,ironhack/hackmd,xnum/hackmd,aswathyjacob8/newtest,jccrofty30/hackmd,Yukaii/hackmd,jackycute/HackMD,Rory80Hz/hackmd,aswathyjacob8/newtest