Remove medics and mechanics from RA AIs

mods/ra/rules/ai.yaml

@@ -174,8 +174,6 @@ Player:
 			e2: 25%
 			e3: 40%
 			e4: 15%
-			medi: 3%
-			mech: 3%
 			dog: 15%
 			shok: 15%
 			harv: 10%
@@ -201,8 +199,6 @@ Player:
 			pt: 10%
 		UnitLimits:
 			dog: 4
-			medi: 3
-			mech: 3
 			harv: 8
 		SquadSize: 40
 		SupportPowerDecision@spyplane:
@@ -309,8 +305,6 @@ Player:
 			e2: 25%
 			e3: 40%
 			e4: 15%
-			medi: 5%
-			mech: 5%
 			dog: 15%
 			shok: 15%
 			harv: 10%
@@ -336,8 +330,6 @@ Player:
 			pt: 10%
 		UnitLimits:
 			dog: 4
-			medi: 4
-			mech: 4
 			harv: 8
 		SquadSize: 10
 		SupportPowerDecision@spyplane: