replace groovy script with ability in card script

release/Magarena/scripts/Gallows_Warden.groovy

@@ -1,14 +0,0 @@
-[
-    new MagicStatic(
-        MagicLayer.ModPT,
-        MagicTargetFilter.TARGET_SPIRIT_YOU_CONTROL) {
-        @Override
-        public void modPowerToughness(final MagicPermanent source,final MagicPermanent permanent,final MagicPowerToughness pt) {
-            pt.add(0,1);
-        }
-        @Override
-        public boolean condition(final MagicGame game,final MagicPermanent source,final MagicPermanent target) {
-            return source != target;
-        }
-    }
-]

release/Magarena/scripts/Gallows_Warden.txt

@@ -7,7 +7,6 @@ type=Creature
 subtype=Spirit
 cost={4}{W}
 pt=3/3
-ability=flying
+ability=flying,lord other spirit creatures you control get +0/+1
 static=player
-timing=fmain
-requires_groovy_code
+timing=main