[Bug 1224053] installation-images: eliminate usage of xiterm

https://bugzilla.suse.com/show_bug.cgi?id=1224053 https://bugzilla.suse.com/show_bug.cgi?id=1224053#c7 --- Comment #7 from Michal Suchanek <msuchanek@suse.com> --- Why will it fail? -- You are receiving this mail because: You are on the CC list for the bug.