CA-180128: Remove the task.other_config key before adding it
CA-180128: Remove the task.other_config key before adding it

- the remove is needed here because now we are doing these calls in DoWithSessionRetry, and sometimes even though a WebException is thrown, the key is added to the other_config and a then a retry fails

jijiang/xenadmin,cheng-z/xenadmin,kc284/xenadmin,ushamandya/xenadmin,robhoes/xenadmin,geosharath/xenadmin,minli1/xenadmin,robhoes/xenadmin,GaborApatiNagy/xenadmin,stephen-turner/xenadmin,stephen-turner/xenadmin,Frezzle/xenadmin,minli1/xenadmin,minli1/xenadmin,geosharath/xenadmin,MihaelaStoica/xenadmin,MihaelaStoica/xenadmin,ushamandya/xenadmin,kc284/xenadmin,xenserver/xenadmin,robhoes/xenadmin,cheng--zhang/xenadmin,jijiang/xenadmin,MihaelaStoica/xenadmin,cheng-z/xenadmin,letsboogey/xenadmin,geosharath/xenadmin,GaborApatiNagy/xenadmin,huizh/xenadmin,cheng--zhang/xenadmin,robhoes/xenadmin,xenserver/xenadmin,letsboogey/xenadmin,ushamandya/xenadmin,Frezzle/xenadmin,cheng--zhang/xenadmin,minli1/xenadmin,jijiang/xenadmin,Frezzle/xenadmin,robhoes/xenadmin,kc284/xenadmin,jijiang/xenadmin,geosharath/xenadmin,cheng--zhang/xenadmin,cheng-z/xenadmin,huizh/xenadmin,xenserver/xenadmin,kc284/xenadmin,GaborApatiNagy/xenadmin,cheng-z/xenadmin,ushamandya/xenadmin,stephen-turner/xenadmin,MihaelaStoica/xenadmin,MihaelaStoica/xenadmin,GaborApatiNagy/xenadmin,Frezzle/xenadmin,cheng-z/xenadmin,Frezzle/xenadmin,stephen-turner/xenadmin,huizh/xenadmin,ushamandya/xenadmin,minli1/xenadmin,huizh/xenadmin,geosharath/xenadmin,ushamandya/xenadmin,letsboogey/xenadmin,cheng--zhang/xenadmin,letsboogey/xenadmin,geosharath/xenadmin,robhoes/xenadmin,kc284/xenadmin,cheng--zhang/xenadmin,GaborApatiNagy/xenadmin,huizh/xenadmin,jijiang/xenadmin,MihaelaStoica/xenadmin,stephen-turner/xenadmin,huizh/xenadmin,GaborApatiNagy/xenadmin,letsboogey/xenadmin,cheng-z/xenadmin,stephen-turner/xenadmin,jijiang/xenadmin,Frezzle/xenadmin,minli1/xenadmin,letsboogey/xenadmin