In Tab_Enable() and Tab_Disable(): Removed strata changes.

diff --git a/Frame.lua b/Frame.lua
index ad13493..9880036 100644
--- a/Frame.lua
+++ b/Frame.lua
@@ -993,7 +993,6 @@ do
 	-- Tabs
 	-------------------------------------------------------------------------------
 	local function Tab_Enable(self)
-		self:SetFrameStrata("MEDIUM")
 		self.left:ClearAllPoints()
 		self.left:SetPoint("BOTTOMLEFT")
 		self.left:SetTexture("Interface\\PAPERDOLLINFOFRAME\\UI-Character-ActiveTab")
@@ -1003,7 +1002,6 @@ do
 	end

 	function Tab_Disable(self)
-		self:SetFrameStrata("LOW")
 		self.left:ClearAllPoints()
 		self.left:SetPoint("TOPLEFT")
 		self.left:SetTexture("Interface\\PAPERDOLLINFOFRAME\\UI-Character-InactiveTab")