Stray, empty tiles removed from maps

A couple of the maps had thousands of these... The initiative that
has begun to give empty/free tiles some graphics is a needed one.

A couple of "monster traps" were removed as well, I'll submit a
patch with the walkmaps later. Maps: 003-1, 013-1 and 018-1.

The three swamp/cemetery maps have not yet been checked.

1 files changed, 10 insertions, 10 deletions

diff --git a/maps/021-1.tmx b/maps/021-1.tmx
index b5cf8972..186d507b 100644
--- a/maps/021-1.tmx
+++ b/maps/021-1.tmx
@@ -53,10 +53,10 @@
  </layer>
  <layer name="Over" width="178" height="168">
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   </data>
  </layer>
- <layer name="Collision" width="178" height="168" visible="0">
+ <layer name="Collision" width="178" height="168">
   <data encoding="base64" compression="gzip">
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   </data>
@@ -78,34 +78,34 @@
   </object>
   <object name="Maggot" type="spawn" x="4000" y="2720" width="128" height="96">
    <properties>
-    <property name="max_beings" value="2"/>
-    <property name="monster_id" value="0"/>
     <property name="eA_death" value="30000"/>
     <property name="eA_spawn" value="100000"/>
+    <property name="max_beings" value="2"/>
+    <property name="monster_id" value="0"/>
    </properties>
   </object>
   <object name="Maggot" type="spawn" x="2848" y="2048" width="128" height="96">
    <properties>
-    <property name="max_beings" value="2"/>
-    <property name="monster_id" value="0"/>
     <property name="eA_death" value="30000"/>
     <property name="eA_spawn" value="100000"/>
+    <property name="max_beings" value="2"/>
+    <property name="monster_id" value="0"/>
    </properties>
   </object>
   <object name="Maggot" type="spawn" x="3008" y="3936" width="128" height="96">
    <properties>
-    <property name="max_beings" value="2"/>
-    <property name="monster_id" value="0"/>
     <property name="eA_death" value="30000"/>
     <property name="eA_spawn" value="100000"/>
+    <property name="max_beings" value="2"/>
+    <property name="monster_id" value="0"/>
    </properties>
   </object>
   <object name="Maggot" type="spawn" x="3200" y="1664" width="224" height="96">
    <properties>
-    <property name="max_beings" value="5"/>
-    <property name="monster_id" value="0"/>
     <property name="eA_death" value="30000"/>
     <property name="eA_spawn" value="100000"/>
+    <property name="max_beings" value="5"/>
+    <property name="monster_id" value="0"/>
    </properties>
   </object>
   <object name="Sea Slime" type="spawn" x="3104" y="736" width="96" height="96">