Modify snake death sprite and death state (#10881)

Resources/Prototypes/Entities/Mobs/NPCs/animals.yml

@@ -1232,13 +1232,10 @@
     states:
       Alive:
         Base: snake
-  - type: Appearance
-    visuals:
-    - type: RotationVisualizer
-# It's death animation is animated so hopefully this should push for separation between "dying" and "death" states.
-     # looks stupid, Rotation visualizer for now
-     # dead: dead
-     # crit: dead
+      Critical:
+        Base: dead
+      Dead:
+        Base: dead
   - type: Butcherable
     spawned:
     - id: FoodMeat

Resources/Textures/Mobs/Animals/snake.rsi/meta.json

@@ -49,12 +49,7 @@
       "name": "dead",
       "delays": [
         [
-          0.2,
-          0.03,
-          0.03,
-          0.03,
-          0.03,
-          0.03
+          0.2
         ]
       ]
     }