Fix triple newlines left over from removing address comments

constants/map_data_constants.asm

@@ -3,7 +3,6 @@ MAP_N_A    EQU -1
 GROUP_NONE EQU 0
 MAP_NONE   EQU 0
 
-
 ; map struct members (see data/maps/maps.asm)
 	const_def
 	const MAP_MAPATTRIBUTES_BANK ; 0
@@ -51,7 +50,6 @@ MAP_NONE   EQU 0
 	const FISHGROUP_REMORAID
 	const FISHGROUP_QWILFISH_NO_SWARM
 
-
 ; connection directions (see data/maps/data.asm)
 	const_def
 	const EAST_F
@@ -66,7 +64,6 @@ MAP_NONE   EQU 0
 	shift_const SOUTH
 	shift_const NORTH
 
-
 ; SpawnPoints indexes (see data/maps/spawn_points.asm)
 const_value = -1
 	const SPAWN_N_A
@@ -102,7 +99,6 @@ const_value = -1
 	const SPAWN_FAST_SHIP
 NUM_SPAWNS EQU const_value
 
-
 ; outdoor sprite limits (see engine/overworld/overworld.asm)
 MAX_OUTDOOR_SPRITES EQU 23
 SPRITE_GFX_LIST_CAPACITY EQU $20