Use regular Terminus font, instead of the bold variant, for urxvt and
Solarized dircolors

Some of the Solarized dircolors remain bolded because upstream[1] uses
the bold variant for some types of "important" files.

[1] https://github.com/seebi/dircolors-solarized
Use regular Terminus font, instead of the bold variant, for xterm and
XScreenSaver