Removing old cart props and actors

This was SVN commit r10498.

binaries/data/mods/public/art/actors/props/structures/carthaginians/wall_tower.xml

@@ -1,21 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<actor version="1">
-  <castshadow/>
-  <group>
-    <variant frequency="1" name="wall_tower_prop_1">
-      <mesh>props/kart_wall_tower_1.dae</mesh>
-    </variant>
-    <variant frequency="1" name="wall_tower_prop_2">
-      <mesh>props/kart_wall_tower_2.dae</mesh>
-    </variant>
-    <variant frequency="1" name="wall_tower_prop_3">
-      <mesh>props/kart_wall_tower_3.dae</mesh>
-    </variant>
-  </group>
-  <group>
-    <variant>
-      <texture>structural/kart_struct.dds</texture>
-    </variant>
-  </group>
-  <material>player_trans.xml</material>
-</actor>

binaries/data/mods/public/art/actors/structures/carthaginians/wall_tower_end_left.xml

@@ -1,14 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<actor version="1">
-  <castshadow/>
-  <group>
-    <variant frequency="1" name="Wall_Tower_End_Left">
-      <mesh>structural/kart_wall_tower_r.dae</mesh>
-      <props>
-        <prop actor="props/structures/carthaginians/wall_tower.xml" attachpoint="root"/>
-      </props>
-      <texture>structural/kart_struct.dds</texture>
-    </variant>
-  </group>
-  <material>player_trans.xml</material>
-</actor>

binaries/data/mods/public/art/actors/structures/carthaginians/wall_tower_end_right.xml

@@ -1,14 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<actor version="1">
-  <castshadow/>
-  <group>
-    <variant frequency="1" name="Wall_Tower_End_Right">
-      <mesh>structural/kart_wall_tower_l.dae</mesh>
-      <props>
-        <prop actor="props/structures/carthaginians/wall_tower.xml" attachpoint="root"/>
-      </props>
-      <texture>structural/kart_struct.dds</texture>
-    </variant>
-  </group>
-  <material>player_trans.xml</material>
-</actor>