How to get rid of the default objects in a map

Low Smoke
Normal
Extended Trail
Weapon Size
Small
Medium
Large
Small
Medium
Large
Small
Medium
Large
Frequency
12
12
12
6
6
6
1
1
1
Exist Time
2
2
2
4
4
4
6
6
6
Start Size
5
10
15
15
25
35
15
25
35
End Size
1
1
1
5
10
15
15
25
35

 

NOTE: This is based on my own system but it should give you an idea (i hope).

Centurian