Remove BelowUnits from C&C bibbed structures.

It interacts badly with the rewritten Bib trait.

mods/cnc/rules/structures.yaml

@@ -275,7 +275,6 @@ AFLD:
 		Sprite: bib1
 	RallyPoint:
 		RallyPoint: 4,2
-	BelowUnits:
 	Exit@1:
 		SpawnOffset: -24,0
 		ExitCell: 3,1
@@ -353,7 +352,6 @@ HPAD:
 		SpawnOffset: 0,-6
 	Production:
 		Produces: Aircraft
-	BelowUnits:
 	Reservable:
 	RepairsUnits:
 	RallyPoint:
@@ -424,7 +422,6 @@ FIX:
 		HP: 400
 	RevealsShroud:
 		Range: 5
-	BelowUnits:
 	Reservable:
 	RepairsUnits:
 	RallyPoint:

mods/cnc/rules/system.yaml

@@ -403,7 +403,6 @@ CRATE:
 		NoBaseSelectionShares: 120
 		Unit: mcv
 	RenderSimple:
-	BelowUnits:
 	BodyOrientation:
 
 mpspawn:

mods/cnc/sequences/misc.yaml

@@ -165,8 +165,10 @@ allyrepair:
 crate:
 	idle: wcrate
 		Start: 0
+		ZOffset: -511
 	land: wcrate
 		Start: 0
+		ZOffset: -511
 
 crate-effects:
 	airstrike: deviator

mods/cnc/sequences/structures.yaml

@@ -132,19 +132,24 @@ afld:
 	idle:
 		Start: 0
 		Tick: 120
+		ZOffset: -1023
 	active:
 		Start: 0
 		Length: 16
 		Tick: 120
+		ZOffset: -1023
 	damaged-idle:
 		Start: 16
 		Tick: 120
+		ZOffset: -1023
 	damaged-active:
 		Start: 16
 		Length: 16
 		Tick: 120
+		ZOffset: -1023
 	dead:
 		Start: 32
+		ZOffset: -1023
 	make: afldmake
 		Start: 0
 		Length: *
@@ -185,18 +190,23 @@ nuk2:
 hpad:
 	idle:
 		Start: 0
+		ZOffset: -1023
 	damaged-idle:
 		Start: 7
+		ZOffset: -1023
 	active:
 		Start: 1
 		Length: 6
 		Tick: 100
+		ZOffset: -1023
 	damaged-active:
 		Start: 8
 		Length: 6
 		Tick: 100		
+		ZOffset: -1023
 	dead:
 		Start: 14
+		ZOffset: -1023
 	make: hpadmake
 		Start: 0
 		Length: *
@@ -205,16 +215,20 @@ hpad:
 fix:
 	idle:
 		Start: 0
+		ZOffset: -1c511
 	damaged-idle:
 		Start: 7
 	active:
 		Start: 0
 		Length: 7
+		ZOffset: -1c511
 	damaged-active:
 		Start: 7
 		Length: 7
+		ZOffset: -1c511
 	dead:
 		Start: 14
+		ZOffset: -1c511
 	make: fixmake
 		Start: 0
 		Length: 14