Set max head revs to 1 (#413)

* Update RevolutionaryRuleComponent.cs

* Revert cs change & change prototype

passed tests locally

Author: Colin-Tel

Resources/Prototypes/GameRules/roundstart.yml

@@ -81,6 +81,7 @@
   noSpawn: true
   components:
   - type: RevolutionaryRule
+    maxHeadRevs: 1 # DeltaV
 
 - type: entity
   id: Sandbox