Remove '/' link from debug webpage navbar
Remove '/' link from debug webpage navbar

Now that the name of the daemon links to '/', the actual '/' link is
redundant and can be removed to save a little navbar space.

Change-Id: I50037ec5f42b6e48a73094150083bf481eeb8b06
Reviewed-on: http://gerrit.cloudera.org:8080/319
Reviewed-by: Henry Robinson <3eca10f30041813f045165784e24b5a950a6cc7e@cloudera.com>
Tested-by: Internal Jenkins

theyaa/Impala,tempbottle/Impala,cchanning/Impala,cchanning/Impala,bowlofstew/Impala,cchanning/Impala,cgvarela/Impala,bowlofstew/Impala,bratatidas9/Impala-1,caseyching/Impala,rdblue/Impala,cgvarela/Impala,bratatidas9/Impala-1,theyaa/Impala,lnliuxing/Impala,bratatidas9/Impala-1,rdblue/Impala,caseyching/Impala,gerashegalov/Impala,theyaa/Impala,theyaa/Impala,bowlofstew/Impala,cgvarela/Impala,cchanning/Impala,XiaominZhang/Impala,tempbottle/Impala,bowlofstew/Impala,caseyching/Impala,tempbottle/Impala,XiaominZhang/Impala,XiaominZhang/Impala,bratatidas9/Impala-1,kapilrastogi/Impala,XiaominZhang/Impala,rdblue/Impala,lnliuxing/Impala,lirui-intel/Impala,theyaa/Impala,lirui-intel/Impala,XiaominZhang/Impala,rdblue/Impala,tempbottle/Impala,theyaa/Impala,lirui-intel/Impala,cgvarela/Impala,brightchen/Impala,kapilrastogi/Impala,caseyching/Impala,cgvarela/Impala,caseyching/Impala,brightchen/Impala,brightchen/Impala,rdblue/Impala,brightchen/Impala,lnliuxing/Impala,theyaa/Impala,lirui-intel/Impala,lnliuxing/Impala,bratatidas9/Impala-1,gerashegalov/Impala,cchanning/Impala,lirui-intel/Impala,cgvarela/Impala,rdblue/Impala,bratatidas9/Impala-1,kapilrastogi/Impala,XiaominZhang/Impala,caseyching/Impala,tempbottle/Impala,lirui-intel/Impala,rdblue/Impala,gerashegalov/Impala,lnliuxing/Impala,tempbottle/Impala,bowlofstew/Impala,tempbottle/Impala,bratatidas9/Impala-1,lnliuxing/Impala,brightchen/Impala,caseyching/Impala,lirui-intel/Impala,lnliuxing/Impala,XiaominZhang/Impala,cgvarela/Impala,gerashegalov/Impala,brightchen/Impala,bowlofstew/Impala,kapilrastogi/Impala,kapilrastogi/Impala,brightchen/Impala,gerashegalov/Impala,cchanning/Impala,kapilrastogi/Impala,bowlofstew/Impala,kapilrastogi/Impala,gerashegalov/Impala,cchanning/Impala,gerashegalov/Impala