added the delete api details to generic backend
added the delete api details to generic backend

documentation was missing this api description
doubledutch/vault,LolalyLuo/vault,skippy/vault,MonsantoCo/vault,hartsock/vault,jam-pot/vault,hashbrowncipher/vault,doubledutch/vault,kenbreeman/vault,tallpauley/vault,hashbrowncipher/vault,doubledutch/vault,chrishoffman/vault,rnaveiras/vault,Aloomaio/vault,andrewstuart/vault,careyblack/vault,kenbreeman/vault,Banno/vault,deverton/hashicorp-vault,doodles526/vault,Caiyeon/vault,annanay25/vault,rnaveiras/vault,mymercurialsky/vault,peteryhwong/vault,rnaveiras/vault,wjam/vault,hashbrowncipher/vault,MonsantoCo/vault,hashicorp/vault,grunzwei/vault,jmhardison/vault,annanay25/vault,skippy/vault,mgk/vault,mhurne/vault,andrewstuart/vault,Banno/vault,danielsomerfield/vault,geckoboard/vault,annanay25/vault,cimarron-pistoncloud/vault,hashbrowncipher/vault,hartsock/vault,joelthompson/vault,ryon/vault,careyblack/vault,hashicorp/vault,deverton/hashicorp-vault,mgk/vault,hashicorp/vault,hashicorp/vault,martin-ducar-gd/vault,rnaveiras/vault,sepiroth887/vault,doodles526/vault,michaelansel/vault,kenbreeman/vault,lirao/vault,joelthompson/vault,Aloomaio/vault,kingland/vault,grunzwei/vault,LolalyLuo/vault,quixoten/vault,jam-pot/vault,sepiroth887/vault,quixoten/vault,peteryhwong/vault,mymercurialsky/vault,memory/vault,danielsomerfield/vault,andrewstuart/vault,memory/vault,kenbreeman/vault,joelthompson/vault,andrewstuart/vault,naunga/vault,hashbrowncipher/vault,geckoboard/vault,naunga/vault,kingland/vault,hartsock/vault,annanay25/vault,lemondrank/vault,lemondrank/vault,Caiyeon/vault,mhurne/vault,michaelansel/vault,grunzwei/vault,quixoten/vault,hashicorp/vault,chrishoffman/vault,wjam/vault,joelthompson/vault,jmhardison/vault,grunzwei/vault,grunzwei/vault,jgcallero/vault,lirao/vault,jmhardison/vault,jmhardison/vault,hashicorp/vault,quixoten/vault,mgk/vault,rnaveiras/vault,andrewstuart/vault,doubledutch/vault,kenbreeman/vault,Aloomaio/vault,ryon/vault,jgcallero/vault,kingland/vault,martin-ducar-gd/vault,tallpauley/vault,kingland/vault,careyblack/vault,kingland/vault,Aloomaio/vault,annanay25/vault,hartsock/vault,geckoboard/vault,cimarron-pistoncloud/vault,sepiroth887/vault,jmhardison/vault,doubledutch/vault,geckoboard/vault,mgk/vault,careyblack/vault,sepiroth887/vault,careyblack/vault,sepiroth887/vault,hartsock/vault,geckoboard/vault