removes halloween filter (#22757)

Author: ktlwjec0

code/_onclick/hud/rendering/render_plate.dm

@@ -80,10 +80,6 @@
 /atom/movable/screen/plane_master/rendering_plate/game_plate/Initialize(mapload, datum/hud/hud_owner)
 	. = ..()
 	add_filter("displacer", 1, displacement_map_filter(render_source = OFFSET_RENDER_TARGET(GRAVITY_PULSE_RENDER_TARGET, offset), size = 10))
-	if(check_holidays(HALLOWEEN))
-		// Makes things a tad greyscale (leaning purple) and drops low colors for vibes
-		// We're basically using alpha as better constant here btw
-		add_filter("spook_color", 2, color_matrix_filter(list(0.75,0.13,0.13,0, 0.13,0.7,0.13,0, 0.13,0.13,0.75,0, -0.06,-0.09,-0.08,1, 0,0,0,0)))
 
 /atom/movable/screen/plane_master/rendering_plate/game_plate/show_to(mob/mymob)
 	. = ..()