Cleanup of application specific behaviour.

i3/config

@@ -280,8 +280,6 @@ for_window [class="Calamares"] floating enable border normal
 for_window [class="Clipgrab"] floating enable
 for_window [class="Galculator"] floating enable border pixel 1
 for_window [class="Lightdm-gtk-greeter-settings"] floating enable
-for_window [class="Lxappearance"] floating enable sticky enable border normal
-for_window [class="Manjaro Settings Manager"] floating enable border normal
 for_window [class="Manjaro-hello"] floating enable
 for_window [class="Qtconfig-qt4"] floating enable sticky enable border normal
 for_window [class="Shutter"] floating disable
@@ -293,9 +291,7 @@ for_window [class="copyq"] floating enable border pixel 1
 for_window [class="octopi"] floating enable
 for_window [class="qt5ct"] floating enable sticky enable border normal
 for_window [class="spectacle"] floating disable
-for_window [title="About Pale Moon"] floating enable
 for_window [title="File Transfer*"] floating enable
-for_window [title="MuseScore: Play Panel"] floating enable
 for_window [title="alsamixer"] floating enable border pixel 1
 for_window [class="(?i)^timeshift-gtk$"] floating disable
 for_window [class="(?i)^gnome-calculator$"] floating disable