remove an unnecessary "return" in signed_up_teams.rb
remove an unnecessary "return" in signed_up_teams.rb

arpitashekhar/expertiza,KunmiaoYang/expertiza,expertiza/expertiza,mhhassan/expertiza,rmmaily/expertiza,ApertureScienceInnovators/expertiza,joshio1/expertiza,joshio1/expertiza,redsock88/expertiza,rmmaily/expertiza,michaelamoran/expertiza,sid5788/expertiza,redsock88/expertiza,kira0992/expertiza,KunmiaoYang/expertiza,akshayjain114/expertiza,ApertureScienceInnovators/expertiza,michaelamoran/expertiza,joshio1/expertiza,expertiza/expertiza,mhhassan/expertiza,KunmiaoYang/expertiza,michaelamoran/expertiza,KunmiaoYang/expertiza,akshayjain114/expertiza,expertiza/expertiza,joshio1/expertiza,urmilparikh95/expertiza,akshayjain114/expertiza,michaelamoran/expertiza,mhhassan/expertiza,sid5788/expertiza,urmilparikh95/expertiza,rmmaily/expertiza,mhhassan/expertiza,kira0992/expertiza,rmmaily/expertiza,redsock88/expertiza,ApertureScienceInnovators/expertiza,arpitashekhar/expertiza,expertiza/expertiza,sid5788/expertiza,arpitashekhar/expertiza,ApertureScienceInnovators/expertiza,sid5788/expertiza,akshayjain114/expertiza,kira0992/expertiza,arpitashekhar/expertiza,kira0992/expertiza,redsock88/expertiza,urmilparikh95/expertiza,urmilparikh95/expertiza