Remove UnitPopupButtons usage

I need to find a way to reintroduce this, but Blizzard's new method of building these frames doesn't look like it's going to be particularly easy. This stops error popups on 9.2.5

IceHUD.lua

@@ -684,6 +684,7 @@ function IceHUD:GetIsInLFGGroup()
 	return IsInLFGGroup
 end
 
+if UnitPopupButtons then
 	local BLACKLISTED_UNIT_MENU_OPTIONS = {
 		SET_FOCUS = "ICEHUD_SET_FOCUS",
 		CLEAR_FOCUS = "ICEHUD_CLEAR_FOCUS",
@@ -799,9 +800,7 @@ local function figure_unit_menu(unit)
 	end
 
 	IceHUD_UnitFrame_DropDown = CreateFrame("Frame", "IceHUD_UnitFrame_DropDown", UIParent, "UIDropDownMenuTemplate")
-if UnitPopupFrames then
 	UnitPopupFrames[#UnitPopupFrames+1] = "IceHUD_UnitFrame_DropDown"
-end
 
 	IceHUD.DropdownUnit = nil
 	UIDropDownMenu_Initialize(IceHUD_UnitFrame_DropDown, function()
@@ -815,3 +814,4 @@ UIDropDownMenu_Initialize(IceHUD_UnitFrame_DropDown, function()
 			UnitPopup_ShowMenu(IceHUD_UnitFrame_DropDown, menu, IceHUD.DropdownUnit, nil, id)
 		end
 	end, "MENU", nil)
+end

changelog.md

@@ -1,5 +1,9 @@
 # Changelog
 
+v1.13.15:
+
+- Fixed compatibility with WoW 9.2.5.
+
 v1.13.14:
 
 - Fixed target health updating infrequently on Classic.

this_version.md

@@ -1,5 +1,5 @@
 # Changelog
 
-v1.13.14:
+v1.13.15:
 
-- Fixed target health updating infrequently on Classic.
+- Fixed compatibility with WoW 9.2.5.