Make procgen use weighted variants (#24669)

Resources/Prototypes/Procedural/biome_templates.yml

@@ -70,15 +70,6 @@
     # Fill layer
     - !type:BiomeTileLayer
       threshold: -1
-      variants:
-        - 0
-      tile: FloorAsteroidSand
-    - !type:BiomeTileLayer
-      threshold: 0.80
-      noise:
-        seed: 1
-        noiseType: OpenSimplex2
-        frequency: 2
       tile: FloorAsteroidSand
 
 # Grass
@@ -307,8 +298,6 @@
     # Fill basalt
     - !type:BiomeTileLayer
       threshold: -1
-      variants:
-        - 0
       tile: FloorBasalt
 
 # Snow
@@ -530,15 +519,6 @@
     # Fill chromite
     - !type:BiomeTileLayer
       threshold: -1
-      variants:
-        - 0
-      tile: FloorChromite
-    - !type:BiomeTileLayer
-      threshold: 0.25
-      noise:
-        seed: 1
-        noiseType: OpenSimplex2
-        frequency: 2
       tile: FloorChromite
 
 # Caves
@@ -593,15 +573,6 @@
     - !type:BiomeTileLayer
       threshold: -1.0
       tile: FloorAsteroidSand
-      variants:
-      - 0
-    - !type:BiomeTileLayer
-      threshold: 0.5
-      noise:
-        seed: 1
-        noiseType: OpenSimplex2
-        frequency: 2
-      tile: FloorAsteroidSand
 
 # Asteroid
 - type: biomeTemplate
@@ -653,12 +624,3 @@
     - !type:BiomeTileLayer
       threshold: -1.0
       tile: FloorAsteroidSand
-      variants:
-        - 0
-    - !type:BiomeTileLayer
-      threshold: 0.5
-      noise:
-        seed: 1
-        noiseType: OpenSimplex2
-        frequency: 2
-      tile: FloorAsteroidSand