ci: add maplints/fix matching stacked disposals/pipes (#25120)

_maps/map_files/RandomRuins/SpaceRuins/onehalf.dmm

@@ -259,7 +259,6 @@
 /area/ruin/space/onehalf/hallway)
 "aM" = (
 /obj/structure/disposalpipe/segment,
-/obj/structure/disposalpipe/segment,
 /obj/machinery/door/poddoor{
 	id_tag = "bayint1";
 	name = "mining drone bay blast door"
@@ -636,9 +635,6 @@
 /area/ruin/space/onehalf/hallway)
 "bA" = (
 /obj/structure/disposalpipe/segment,
-/obj/structure/disposalpipe/segment{
-	dir = 4
-	},
 /obj/structure/disposalpipe/segment{
 	dir = 4
 	},
@@ -653,15 +649,6 @@
 	},
 /turf/simulated/floor/plasteel,
 /area/ruin/space/onehalf/drone_bay)
-"bC" = (
-/obj/structure/disposalpipe/segment{
-	dir = 4
-	},
-/obj/structure/disposalpipe/segment{
-	dir = 4
-	},
-/turf/simulated/floor/plasteel,
-/area/ruin/space/onehalf/drone_bay)
 "bD" = (
 /obj/structure/disposalpipe/junction{
 	dir = 8
@@ -1643,7 +1630,7 @@ aD
 aq
 aX
 bm
-bC
+bn
 bT
 aa
 cn

_maps/map_files/stations/boxstation.dmm

@@ -52972,7 +52972,6 @@
 	icon_state = "1-2"
 	},
 /obj/structure/disposalpipe/segment,
-/obj/structure/disposalpipe/segment,
 /obj/structure/sign/securearea{
 	pixel_x = -32
 	},
@@ -74887,7 +74886,6 @@
 /area/station/maintenance/apmaint)
 "owP" = (
 /obj/structure/disposalpipe/segment,
-/obj/structure/disposalpipe/segment,
 /turf/simulated/floor/plating/airless,
 /area/station/maintenance/asmaint)
 "oxe" = (

_maps/map_files/stations/cerestation.dmm

@@ -41465,9 +41465,6 @@
 	name = "Port Asteroid Maintenance"
 	},
 /obj/effect/mapping_helpers/airlock/access/all/engineering/maintenance,
-/obj/structure/disposalpipe/segment{
-	dir = 4
-	},
 /obj/structure/disposalpipe/segment{
 	dir = 4
 	},
@@ -65218,7 +65215,6 @@
 /turf/simulated/wall,
 /area/station/hallway/primary/aft/west)
 "nOU" = (
-/obj/structure/disposalpipe/segment,
 /obj/machinery/door/airlock/maintenance/external{
 	name = "External Airlock Access"
 	},
@@ -85428,9 +85424,6 @@
 	name = "Engine Room"
 	},
 /obj/effect/mapping_helpers/airlock/access/all/engineering/general,
-/obj/structure/disposalpipe/segment{
-	dir = 4
-	},
 /obj/structure/cable{
 	d1 = 4;
 	d2 = 8;

_maps/map_files/stations/deltastation.dmm

@@ -10845,7 +10845,6 @@
 /area/station/maintenance/incinerator)
 "aLk" = (
 /obj/structure/disposalpipe/segment,
-/obj/structure/disposalpipe/segment,
 /obj/effect/turf_decal/stripes/line{
 	dir = 8
 	},
@@ -11828,7 +11827,6 @@
 	},
 /area/station/service/bar)
 "aOd" = (
-/obj/structure/disposalpipe/segment,
 /obj/machinery/atmospherics/pipe/simple/visible{
 	dir = 10
 	},
@@ -70042,9 +70040,6 @@
 /area/station/command/office/hop)
 "gFa" = (
 /obj/machinery/door/firedoor,
-/obj/structure/disposalpipe/segment{
-	dir = 4
-	},
 /obj/effect/turf_decal/delivery,
 /obj/structure/disposalpipe/segment{
 	dir = 4
@@ -82625,15 +82620,6 @@
 	},
 /area/station/security/prison/cell_block)
 "ont" = (
-/obj/structure/disposalpipe/segment{
-	dir = 4
-	},
-/obj/effect/turf_decal/stripes/line{
-	dir = 1
-	},
-/obj/machinery/light{
-	dir = 1
-	},
 /obj/structure/disposalpipe/segment{
 	dir = 4
 	},

_maps/map_files/stations/metastation.dmm

@@ -71465,20 +71465,6 @@
 /obj/effect/landmark/damageturf,
 /turf/simulated/floor/plating,
 /area/station/maintenance/apmaint)
-"oDZ" = (
-/obj/structure/cable{
-	d1 = 4;
-	d2 = 8;
-	icon_state = "4-8"
-	},
-/obj/structure/disposalpipe/segment{
-	dir = 4
-	},
-/obj/structure/disposalpipe/segment{
-	dir = 4
-	},
-/turf/simulated/floor/plating,
-/area/station/maintenance/port)
 "oEe" = (
 /obj/machinery/atmospherics/trinary/filter{
 	dir = 4;
@@ -115249,7 +115235,7 @@ nBj
 cgt
 cdT
 wfa
-oDZ
+bqQ
 cCj
 cdT
 kNJ

tools/maplint/lints/stacked_matching_disposals.yml

@@ -0,0 +1,4 @@
+/obj/structure/disposalpipe/segment:
+  banned_neighbors:
+    /obj/structure/disposalpipe/segment:
+      identical: true

tools/maplint/lints/stacked_matching_pipes.yml

@@ -0,0 +1,9 @@
+/obj/machinery/atmospherics/pipe/simple/hidden:
+  banned_neighbors:
+    /obj/machinery/atmospherics/pipe/simple/hidden:
+      identical: true
+
+/obj/machinery/atmospherics/pipe/simple/visible:
+  banned_neighbors:
+    /obj/machinery/atmospherics/pipe/simple/visible:
+      identical: true