Update README to reflect removal of slash synatx
Update README to reflect removal of slash synatx

benaadams/corefxlab,adamsitnik/corefxlab,ahsonkhan/corefxlab,alexperovich/corefxlab,stephentoub/corefxlab,ericstj/corefxlab,ericstj/corefxlab,ericstj/corefxlab,weshaggard/corefxlab,KrzysztofCwalina/corefxlab,joshfree/corefxlab,stephentoub/corefxlab,hanblee/corefxlab,ahsonkhan/corefxlab,Vedin/corefxlab,tarekgh/corefxlab,VSadov/corefxlab,tarekgh/corefxlab,stephentoub/corefxlab,dotnet/corefxlab,dotnet/corefxlab,VSadov/corefxlab,hanblee/corefxlab,stephentoub/corefxlab,stephentoub/corefxlab,VSadov/corefxlab,stephentoub/corefxlab,nguerrera/corefxlab,benaadams/corefxlab,Vedin/corefxlab,whoisj/corefxlab,KrzysztofCwalina/corefxlab,VSadov/corefxlab,VSadov/corefxlab,Vedin/corefxlab,ericstj/corefxlab,ericstj/corefxlab,joshfree/corefxlab,ericstj/corefxlab,Vedin/corefxlab,Vedin/corefxlab,ravimeda/corefxlab,adamsitnik/corefxlab,livarcocc/corefxlab,Vedin/corefxlab,VSadov/corefxlab,whoisj/corefxlab