Revert "preparing pfui for patch 1.18.1"

This reverts commit 77dfb4bb67.

modules/hdgraphic.lua

@@ -1,5 +1,3 @@
-if TURTLE_WOW_VERSION then return end
-
 pfUI:RegisterModule("hdgraphic", "vanilla", function ()
   -- inject video settings to provide advanced slider values
   _G.OptionsFrameSliders[3].maxValue = 15
@@ -39,4 +37,4 @@ pfUI:RegisterModule("hdgraphic", "vanilla", function ()
     local frill = tonumber(GetCVar("frillDensity"))
     return frill > 48 and frill/16-1 or HookGetWorldDetail()
   end
-end)
+end)