Remove unused functions and variables

Signed-off-by: Chris Burel <burelc@amazon.com>

Code/Legacy/CrySystem/DebugCallStack.cpp

@@ -47,8 +47,6 @@ extern HMODULE gDLLHandle;
 static HWND hwndException = 0;
 static bool g_bUserDialog = true;         // true=on crash show dialog box, false=supress user interaction
 
-static int  PrintException(EXCEPTION_POINTERS* pex);
-
 static bool IsFloatingPointException(EXCEPTION_POINTERS* pex);
 
 extern LONG WINAPI CryEngineExceptionFilterWER(struct _EXCEPTION_POINTERS* pExceptionPointers);
@@ -667,8 +665,6 @@ INT_PTR CALLBACK DebugCallStack::ExceptionDialogProc(HWND hwndDlg, UINT message,
 {
     static EXCEPTION_POINTERS* pex;
 
-    static char errorString[32768] = "";
-
     switch (message)
     {
     case WM_INITDIALOG:

Code/Legacy/CrySystem/LocalizedStringManager.cpp

@@ -2620,26 +2620,7 @@ namespace
         UnixTimeToFileTime(unixtime, &filetime);
         FileTimeToSystemTime(&filetime, systemtime);
     }
-
-    time_t UnixTimeFromFileTime(const FILETIME* filetime)
-    {
-        LONGLONG longlong = filetime->dwHighDateTime;
-        longlong <<= 32;
-        longlong |= filetime->dwLowDateTime;
-        longlong -= 116444736000000000;
-        return longlong / 10000000;
-    }
-
-    time_t UnixTimeFromSystemTime(const SYSTEMTIME* systemtime)
-    {
-        // convert systemtime to filetime
-        FILETIME filetime;
-        SystemTimeToFileTime(systemtime, &filetime);
-        // convert filetime to unixtime
-        time_t unixtime = UnixTimeFromFileTime(&filetime);
-        return unixtime;
-    }
-};
+}
 
 void CLocalizedStringsManager::LocalizeTime(time_t t, bool bMakeLocalTime, bool bShowSeconds, AZStd::string& outTimeString)
 {