Rip out ns_access and related code.

This is wildly insecure and has been disabled by default for at
least a decade.

include/users.h

@@ -44,8 +44,6 @@ protected:
 	Anope::string vident;
 	Anope::string ident;
 	Anope::string uid;
-	/* If the user is on the access list of the nick they're on */
-	bool on_access;
 	/* Map of user modes and the params this user has (if any) */
 	ModeList modes;
 	/* NickCore account the user is currently logged in as, if they are logged in */
@@ -223,12 +221,6 @@ public:
 	 */
 	bool IsIdentified(bool check_nick = false) const;
 
-	/** Check if the user is recognized for their nick (on the nicks access list)
-	 * @param check_secure Only returns true if the user has secure off
-	 * @return true or false
-	 */
-	bool IsRecognized(bool check_secure = true) const;
-
 	/** Check if the user is connected securely.
 	 * @return True if the user is connected securely; otherwise, false.
 	 */