levels: Improved MAP10 and MAP31

The old MAP10 was too hard, the old MAP31 was too boring/broken.

Signed-off-by: Mike Swanson <mikeonthecomputer@gmail.com>

levels/map31.wad

@@ -1 +1 @@
-oblivion/map31.wad
+catoptromancy/map31.wad

levels/oblivion/map31.txt

@@ -1,62 +0,0 @@
-============================================================================
-Title                   : Freedoom MAP31 WIP
-Filename                : MAP31.WAD
-Author                  : oblivion aka Nicholai Main
-Email Address           : uzi666@juno.com
-Misc. Author Info       : I love Freedoom w00t w00t w00t 
-                          Creator of map2wad, if you want it try
-                          http://home.adelphia.net/~mainlimits/map2wad.zip
-Description             : This is a WIP of MAP31.  I welcome comments, but
-                          use common sense; some things are wrong just
-                          because they're not done.
-
-Instructions            : Load on top of freedoom.wad.  Make sure you're
-                          playing a recent build of freedoom.  Requires a
-                          100% boom compatible port.
-
-Additional Credits to   : Everyone who had anything to do with the creation
-                          of doom, duke3d, build, gcc, deu, djgpp, freedoom,
-                          ms-dos, linux, windoze, and that's all i can think
-                          of off the top of my head.
-
-============================================================================
-
-* Play Information *
-
-Episode and Level #     : Freedoom Level 31
-Single Player           : Use idclip to go past the four sets of SLADWALL
-                          poles that don't open yet.
-Cooperative 2-4 Player  : Same as single player.
-Cooperative 5+ Player   : Not yet
-Deathmatch 2-4 Player   : Not yet
-Deathmatch 5+ Player    : Not yet
-Difficulty Settings     : I don't think there are monsters
-New Sounds              : Not in this .wad, but in freedoom.wad
-New Graphics            : Not in this .wad, but in freedoom.wad
-New Weapons             : Not in this .wad, but in freedoom.wad
-New Music               : Not in this .wad, but in freedoom.wad
-Demos Replaced          : No
-
-* Construction *
-
-Base                    : New level from scratch 
-Editor(s) used          : Build for DN3D Atomic v1.5
-                          map2wad v0.81b
-                          WinDEU32 v5.99b1
-                          BSP v2.3
-Known Bugs              : Remember it's a WIP, thus it is on a constantly
-                          rotating list of bugs; fix them and more pop up.
-
-============================================================================
-
-* Copyright / Permissions *
-
-All copyrights and permissions follow the same guidelines as the entire
-Freedoom distribution.  These guidelines are avaiable at
-http://freedoom.despayre.org:81/
-
-============================================================================
-
-* Where to get this WAD * (or where you got it?)
-
-http://freedoom.despayre.org:81