feat: Durango Lib parity + remove stubs

4J_Profile/Windows64/PRO_Sys.h

@@ -5,6 +5,8 @@
 class CSys
 {
 public:
+	CSys();
+
 	// SIGNED IN
 	bool IsSignedIn(int iQuadrant);
 	bool IsSignedInLive(int iProf);
@@ -27,4 +29,10 @@ public:
 	bool IsFullVersion();
 
 	void SetDebugFullOverride(bool bVal);
+
+	// LOCALE
+	bool LocaleIsUSorCanada();
+	bool LocaleIsChina();
+
+	int m_iPrimaryPad;
 };