.ignoreboards width fix
.ignoreboards width fix

Boards on Ignore Boards Options page should be in 2 columns (.floatleft
and .floatright), but due to 90% width  that was not possible.

Signed-off-by: 24e2a29a2c56272692a6f992e8e1c0826305b32b@users.noreply.github.com

margarett/SMF2.1,georaldc/SMF2.1,MustafaCan/SMF2.1,MustafaCan/SMF2.1,mkress/SMF2.1,StealthWombat/SMF2.1-more-forkery,margarett/SMF2.1,mkress/SMF2.1,mkress/SMF2.1,georaldc/SMF2.1,StealthWombat/SMF2.1-more-forkery