webadmin: "Any Host in Cluster" broken into two lines

in ja_JP locale; removing width property from widget.

Bug-Url: https://bugzilla.redhat.com/950244
Change-Id: I1963e606651994efc48c4f1dfaf2c261c0746cbf
Signed-off-by: Gilad Chaplik <gchaplik@redhat.com>