Remove dead variable.

extensions/tf2/extension.cpp

@@ -128,7 +128,6 @@ bool TF2Tools::SDK_OnLoad(char *error, size_t maxlength, bool late)
 	g_pCVar = icvar;
 
 	m_CritDetoursEnabled = false;
-	m_IsHolidayHookEnabled = false;
 	m_CondChecksEnabled = false;
 	m_RulesDetoursEnabled = false;
 	m_TeleportDetourEnabled = false;

extensions/tf2/extension.h

@@ -120,7 +120,6 @@ public:
 #endif
 private:
 	bool m_CritDetoursEnabled;
-	bool m_IsHolidayHookEnabled;
 	bool m_CondChecksEnabled;
 	bool m_RulesDetoursEnabled;
 	bool m_TeleportDetourEnabled;