removed unnecessary default empty string from profile fields
removed unnecessary default empty string from profile fields

erood/creepy_ghost,mostley/backstab,JessedeGit/vegtable,ericmreid/pingypong,devneel/spitsomebars,Yixuan-Angela/hackathon-starter,tendermario/binners-project,dborncamp/shuttles,sahat/hackathon-starter,sahat/hackathon-starter,ericmreid/pingypong,erood/creepy_ghost,colleenDunlap/PlayingOnInternet,peterblazejewicz/hackathon-starter,gurneyman/riToolkit,teogenesmoura/SoftwareEng12016,quazar11/portfolio,erood/weight_tracker_app,ReadingPlus/flog,Yixuan-Angela/hackathon-starter,crystalrood/piggie,JessedeGit/vegtable,ak-zul/hackathon-starter,ahng1996/balloon-fight,quazar11/portfolio,ahng1996/balloon-fight,CahalKearney/node-boilerplate,dafyddPrys/contingency,vymarkov/hackathon-starter,LucienBrule/carpool,niallobrien/hackathon-starter-plus,mostley/backstab,ajijohn/brainprinter,stenio123/ai-hackathon,ajijohn/brainprinter,OperationSpark/Hackathon-Angel,Carlosreyesk/boards-api,awarn/cashier-analytics,bowdenk7/express-typescript-starter,peterblazejewicz/hackathon-starter,LucienBrule/carpool,Carlosreyesk/boards-api,peterblazejewicz/hackathon-starter,ReadingPlus/flog,ajijohn/brainprinter,dborncamp/shuttles,devneel/spitsomebars,wfpc92/cleansuit-backend,stenio123/ai-hackathon,colleenDunlap/Lake-Map,awarn/cashier-analytics,vymarkov/hackathon-starter,cwesno/app_for_us,awarn/bitcoins-trader,tendermario/binners-project,ak-zul/hackathon-starter,erood/weight_tracker_app,colleenDunlap/Lake-Map,colleenDunlap/Lake-Map,sahat/hackathon-starter,HappyGenes/HappyGenes,crystalrood/piggie,colleenDunlap/PlayingOnInternet,gurneyman/riToolkit,wfpc92/cleansuit-backend,crystalrood/piggie,teogenesmoura/SoftwareEng12016,HappyGenes/HappyGenes,colleenDunlap/PlayingOnInternet,CahalKearney/node-boilerplate,OperationSpark/Hackathon-Angel,CAYdenberg/wikode,CAYdenberg/wikode,bowdenk7/express-typescript-starter,cwesno/app_for_us,ajijohn/brainprinter,dafyddPrys/contingency,awarn/bitcoins-trader,bowdenk7/express-typescript-starter,niallobrien/hackathon-starter-plus