Rodentia now crawl normally (Grimbly-Station#105)

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# Description

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deleted two lines of yaml

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# Changelog

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:cl:
- tweak: rodentia now crawl at a normal speed

Resources/Prototypes/DeltaV/Entities/Mobs/Species/rodentia.yml

@@ -118,8 +118,6 @@
     spitDamageThreshold: 3
   - type: CrawlUnderObjects # Remove this once crawling goes under tables
     actionProto: ActionToggleSneakMode
-  - type: LayingDownModifier
-    downedSpeedMultiplierMultiplier: 4.6 # makes them crawl at the same speed sneak mode moves. for when crawling goes under tables, they can crawl instead of sneak
 - type: entity
   save: false
   name: Rodentia Dummy