remove amp from the list of url allowed chars
remove amp from the list of url allowed chars

in preparation for handling all serveFlavor's with fileName in nginx-vod

jorgevbo/server,jorgevbo/server,doubleshot/server,doubleshot/server,ivesbai/server,kaltura/server,doubleshot/server,kaltura/server,ivesbai/server,gale320/server,DBezemer/server,kaltura/server,ivesbai/server,DBezemer/server,jorgevbo/server,ivesbai/server,ivesbai/server,DBezemer/server,DBezemer/server,gale320/server,gale320/server,ivesbai/server,ivesbai/server,ivesbai/server,jorgevbo/server,gale320/server,matsuu/server,jorgevbo/server,DBezemer/server,matsuu/server,kaltura/server,kaltura/server,doubleshot/server,DBezemer/server,gale320/server,matsuu/server,jorgevbo/server,doubleshot/server,gale320/server,gale320/server,jorgevbo/server,matsuu/server,matsuu/server,matsuu/server,doubleshot/server,doubleshot/server,matsuu/server,kaltura/server,jorgevbo/server,DBezemer/server,gale320/server,doubleshot/server,matsuu/server,DBezemer/server