Move 'map attributes' into 'layouts'

data/maps/ScorchedSlab/border.bin

@@ -1 +0,0 @@
-

data/maps/ScorchedSlab/header.inc

@@ -1,5 +1,5 @@
 ScorchedSlab: @ 84846BC
-	.4byte ScorchedSlab_MapAttributes
+	.4byte ScorchedSlab_Layout
 	.4byte ScorchedSlab_MapEvents
 	.4byte ScorchedSlab_MapScripts
 	.4byte 0x0

data/maps/ScorchedSlab/map.bin

@@ -1 +0,0 @@
-
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