堆积模式移出地图，删除h难度

parts/eventsets/stack_h.lua

@@ -1,22 +0,0 @@
-return{
-    fieldH=21,
-    fillClear=false,
-    mesDisp=function(P)
-        setFont(60)
-        mStr(P.stat.row,63,280)
-        mText(TEXTOBJ.line,63,350)
-        PLY.draw.drawMarkLine(P,18,.3,1,1,TIME()%.42<.21 and .95 or .6)
-    end,
-    dropPiece=function(P)
-        if #P.field>20 then
-            local cc=P:clearFilledLines(P.garbageBeneath+1,#P.field-P.garbageBeneath)
-            local h=20-cc-P.garbageBeneath-2
-            if h>0 then
-                P:garbageRise(21,h,2e10-1)
-                if P.garbageBeneath>=20 then
-                    P:lose()
-                end
-            end
-        end
-    end,
-}