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

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

code/modules/flufftext/Hallucination.dm

@@ -222,8 +222,8 @@ Gunshots/explosions/opening doors/less rare audio (done)
 	icon_state = null
 	name = ""
 	desc = ""
-	density = 0
-	anchored = 1
+	density = FALSE
+	anchored = TRUE
 	opacity = 0
 	var/mob/living/carbon/human/my_target = null
 	var/weapon_name = null