GC away some one-use initialization functions after they are run.

Omen.lua

@@ -460,6 +460,8 @@ function Omen:CreateFrames()
 	else
 		self.FocusButton:GetFontString():SetTextColor(0.5, 0.5, 0.5, 1)
 	end]]
+
+	self.CreateFrames = nil
 end
 
 function Omen:OnInitialize()
@@ -473,10 +475,12 @@ function Omen:OnInitialize()
 
 	LSM.RegisterCallback(self, "LibSharedMedia_Registered", "UpdateUsedMedia")
 
+	-- These 2 functions self GC after running
 	self:CreateFrames()
 	self:SetupOptions()
 
 	self:RegisterEvent("PLAYER_LOGIN")
+	self.OnInitialize = nil
 end
 
 function Omen:PLAYER_LOGIN()
@@ -575,6 +579,8 @@ function Omen:PLAYER_LOGIN()
 		self.optionsFrames["FuBar"] = LibStub("AceConfigDialog-3.0"):AddToBlizOptions("Omen", L["FuBar Options"], self.versionstring, "FuBar")
 		self:UpdateFuBarSettings()
 	end
+
+	self.PLAYER_LOGIN = nil
 end
 
 function Omen:OnEnable()
@@ -1865,6 +1871,8 @@ function Omen:SetupOptions()
 	self:RegisterModuleOptions("OmenSlashCommand", self.OptionsSlash, L["Slash Command"])
 	self:RegisterModuleOptions("Profiles", function() return LibStub("AceDBOptions-3.0"):GetOptionsTable(self.db) end, L["Profiles"])
 	self.optionsFrames.Help = ACD3:AddToBlizOptions("Omen", L["Help File"], self.versionstring, "Help")
+
+	self.SetupOptions = nil
 end
 
 function Omen:RegisterModuleOptions(name, optionTbl, displayName)