propagate msgbox macro

data/maps/Route17/scripts.inc

@@ -2,31 +2,25 @@ Route17_MapScripts:: @ 81681BF
 	.byte 0
 
 Route17_EventScript_1681C0:: @ 81681C0
-	loadword 0, gUnknown_81874E4
-	callstd 3
+	msgbox gUnknown_81874E4, 3
 	end
 
 Route17_EventScript_1681C9:: @ 81681C9
-	loadword 0, gUnknown_8187512
-	callstd 3
+	msgbox gUnknown_8187512, 3
 	end
 
 Route17_EventScript_1681D2:: @ 81681D2
-	loadword 0, gUnknown_818757B
-	callstd 3
+	msgbox gUnknown_818757B, 3
 	end
 
 Route17_EventScript_1681DB:: @ 81681DB
-	loadword 0, gUnknown_81875BE
-	callstd 3
+	msgbox gUnknown_81875BE, 3
 	end
 
 Route17_EventScript_1681E4:: @ 81681E4
-	loadword 0, gUnknown_81875E3
-	callstd 3
+	msgbox gUnknown_81875E3, 3
 	end
 
 Route17_EventScript_1681ED:: @ 81681ED
-	loadword 0, gUnknown_8187622
-	callstd 3
+	msgbox gUnknown_8187622, 3
 	end