Convert some bools to TRUE/FALSE instead of 1/0. (#11100)

Co-authored-by: Aronai Sieyes <arokha@arokha.com>

code/modules/vehicles/Securitrain_vr.dm

@@ -39,7 +39,7 @@
 	desc = "A trolly designed to transport security personnel or prisoners."
 	icon = 'icons/obj/vehicles_vr.dmi'
 	icon_state = "paddy_trailer"
-	anchored = 0
+	anchored = FALSE
 	passenger_allowed = 1
 	locked = 0
 
@@ -384,6 +384,6 @@
 	src.active_engines = active_engines
 
 	if(!lead && !tow)
-		anchored = 0
+		anchored = FALSE
 	else
-		anchored = 1
+		anchored = TRUE

code/modules/vehicles/bike.dm

@@ -157,7 +157,7 @@
 
 /obj/vehicle/bike/turn_on()
 	ion.start()
-	anchored = 1
+	anchored = TRUE
 
 	update_icon()
 

code/modules/vehicles/cargo_train.dm

@@ -30,7 +30,7 @@
 	desc = "A large, flat platform made for putting things on. Or people."
 	icon = 'icons/obj/vehicles_vr.dmi'	//VOREStation Edit
 	icon_state = "cargo_trailer"
-	anchored = 0
+	anchored = FALSE
 	passenger_allowed = 0
 	locked = 0
 
@@ -385,9 +385,9 @@
 	src.active_engines = active_engines
 
 	if(!lead && !tow)
-		anchored = 0
+		anchored = FALSE
 	else
-		anchored = 1
+		anchored = TRUE
 
 // VOREStation Edit Start - Overlay stuff for the chair-like effect
 /obj/vehicle/train/engine/update_icon()

code/modules/vehicles/quad.dm

@@ -160,7 +160,7 @@
 	name = "all terrain trailer"
 	icon = 'icons/obj/vehicles_64x64.dmi'
 	icon_state = "quadtrailer"
-	anchored = 0
+	anchored = FALSE
 	passenger_allowed = 1
 	buckle_lying = 1
 	locked = 0

code/modules/vehicles/rover_vr.dm

@@ -47,7 +47,7 @@
 	desc = "A trolley designed to transport security equipment to a scene."
 	icon = 'icons/obj/vehicles_vr.dmi'
 	icon_state = "secitemcarrierbot"
-	anchored = 0
+	anchored = FALSE
 	passenger_allowed = 0
 	locked = 0
 
@@ -397,6 +397,6 @@
 	src.active_engines = active_engines
 
 	if(!lead && !tow)
-		anchored = 0
+		anchored = FALSE
 	else
-		anchored = 1
+		anchored = TRUE

code/modules/vehicles/vehicle.dm

@@ -8,12 +8,12 @@
 	name = "vehicle"
 	icon = 'icons/obj/vehicles.dmi'
 	layer = MOB_LAYER + 0.1 //so it sits above objects including mobs
-	density = 1
-	anchored = 1
+	density = TRUE
+	anchored = TRUE
 	animate_movement=1
 	light_range = 3
 
-	can_buckle = 1
+	can_buckle = TRUE
 	buckle_movable = 1
 	buckle_lying = 0