Name cleanup

core/assets/icons/icons.properties

@@ -14,7 +14,6 @@
 63730=magmarock|block-magmarock-medium
 63729=sand|block-sand-medium
 63728=darksand|block-darksand-medium
-63727=holostone|block-holostone-medium
 63726=grass|block-grass-medium
 63725=salt|block-salt-medium
 63724=snow|block-snow-medium
@@ -285,7 +284,6 @@
 63451=scepter|unit-scepter-medium
 63450=reign|unit-reign-medium
 63449=dirt|block-dirt-medium
-63448=dirtwall|block-dirtwall-medium
 63447=stone-wall|block-stone-wall-medium
 63446=spore-wall|block-spore-wall-medium
 63445=ice-wall|block-ice-wall-medium
@@ -295,7 +293,6 @@
 63441=salt-wall|block-salt-wall-medium
 63440=shale-wall|block-shale-wall-medium
 63439=dirt-wall|block-dirt-wall-medium
-63438=holostone-wall|block-holostone-wall-medium
 63437=basalt|block-basalt-medium
 63436=dacite|block-dacite-medium
 63435=boulder|block-boulder-medium