Kill check for ancient FreeBSD version

along the lines of ...

commit cee26554
Author: Baptiste Daroussin <bapt@FreeBSD.org>
Date:   Thu Dec 10 17:38:06 2015 +0100

    Kill check for ancient FreeBSD version

which removed the other uses of this

Change-Id: I56a4448b27683ff8a86e4d760fec4f6bfc2d0bd6

bridges/source/cpp_uno/gcc3_linux_x86-64/rtti.cxx

@@ -57,11 +57,7 @@ public:
 };
 
 RTTI::RTTI()
-#if defined(FREEBSD) && __FreeBSD_version < 702104
-    : m_hApp( dlopen( 0, RTLD_NOW | RTLD_GLOBAL ) )
-#else
     : m_hApp( dlopen( nullptr, RTLD_LAZY ) )
-#endif
 {
 }