CVS renato: Removed the unused test for plain imlib.

[FVWM CVS]

CVSROOT:        /home/cvs/fvwm
Module name:    fvwm
Changes by:     renato  06/09/04 15:39:35

Modified files:
        .              : ChangeLog acinclude.m4 

Log message:
Removed the unused test for plain imlib.
The test for gdk-imlib is left as-was.