Fix warning: else without rescue is useless
Fix warning: else without rescue is useless

"score" method in app/models/assignment_participant.rb should be refactored. Because this method is more than 100 line and includes so many if-end conditions.
ApertureScienceInnovators/expertiza,arpitashekhar/expertiza,redsock88/expertiza,kira0992/expertiza,urmilparikh95/expertiza,KunmiaoYang/expertiza,urmilparikh95/expertiza,rmmaily/expertiza,joshio1/expertiza,KunmiaoYang/expertiza,michaelamoran/expertiza,mhhassan/expertiza,expertiza/expertiza,michaelamoran/expertiza,joshio1/expertiza,expertiza/expertiza,arpitashekhar/expertiza,urmilparikh95/expertiza,kira0992/expertiza,ApertureScienceInnovators/expertiza,expertiza/expertiza,sid5788/expertiza,redsock88/expertiza,arpitashekhar/expertiza,expertiza/expertiza,akshayjain114/expertiza,sid5788/expertiza,rmmaily/expertiza,akshayjain114/expertiza,sid5788/expertiza,mhhassan/expertiza,michaelamoran/expertiza,sid5788/expertiza,arpitashekhar/expertiza,KunmiaoYang/expertiza,kira0992/expertiza,KunmiaoYang/expertiza,rmmaily/expertiza,rmmaily/expertiza,joshio1/expertiza,redsock88/expertiza,mhhassan/expertiza,urmilparikh95/expertiza,redsock88/expertiza,ApertureScienceInnovators/expertiza,michaelamoran/expertiza,akshayjain114/expertiza,ApertureScienceInnovators/expertiza,joshio1/expertiza,kira0992/expertiza,mhhassan/expertiza,akshayjain114/expertiza