Removes dead code and icons (#62342)

code/modules/buildmode/effects/line.dm

@@ -1,31 +0,0 @@
-/obj/effect/buildmode_line
-	var/image/I
-	var/client/cl
-
-/obj/effect/buildmode_line/New(client/C, atom/atom_a, atom/atom_b, linename)
-	if(!C || !atom_a || !atom_b)
-		stack_trace("Buildmode effect created with odd inputs")
-		return
-	name = linename
-	abstract_move(get_turf(atom_a))
-	I = image('icons/misc/mark.dmi', src, "line", 19.0)
-	var/x_offset = ((atom_b.x * 32) + atom_b.pixel_x) - ((atom_a.x * 32) + atom_a.pixel_x)
-	var/y_offset = ((atom_b.y * 32) + atom_b.pixel_y) - ((atom_a.y * 32) + atom_a.pixel_y)
-
-	var/matrix/mat = matrix()
-	mat.Translate(0, 16)
-	mat.Scale(1, sqrt((x_offset * x_offset) + (y_offset * y_offset)) / 32)
-	mat.Turn(90 - ATAN2(x_offset, y_offset)) // So... You pass coords in order x,y to this version of atan2. It should be called acsc2.
-	mat.Translate(atom_a.pixel_x, atom_a.pixel_y)
-
-	transform = mat
-	cl = C
-	cl.images += I
-
-/obj/effect/buildmode_line/Destroy()
-	if(I)
-		if(istype(cl))
-			cl.images -= I
-			cl = null
-		QDEL_NULL(I)
-	return ..()

code/modules/unit_tests/create_and_destroy.dm

@@ -51,8 +51,6 @@
 	ignore += typesof(/obj/item/food/deepfryholder)
 	//Can't pass in a thing to glow
 	ignore += typesof(/obj/effect/abstract/eye_lighting)
-	//It wants a lot more context then we have
-	ignore += typesof(/obj/effect/buildmode_line)
 	//We don't have a pod
 	ignore += typesof(/obj/effect/pod_landingzone_effect)
 	ignore += typesof(/obj/effect/pod_landingzone)

tgstation.dme

@@ -2056,7 +2056,6 @@
 #include "code\modules\buildmode\bm_mode.dm"
 #include "code\modules\buildmode\buildmode.dm"
 #include "code\modules\buildmode\buttons.dm"
-#include "code\modules\buildmode\effects\line.dm"
 #include "code\modules\buildmode\submodes\advanced.dm"
 #include "code\modules\buildmode\submodes\area_edit.dm"
 #include "code\modules\buildmode\submodes\basic.dm"