[assert_cerr] rm redundant cerr message from ASSERT handler ()

Merging branch 'assert_cerr'  into 'r21'.

See merge request !1818

Base/Util/Assert.h

@@ -41,20 +41,15 @@
 
 #else
 
-#include <iostream>
 #include <stdexcept>
 #define ASSERT(condition)                                                                          \
-    if (!(condition)) {                                                                            \
-        std::cerr << "Throwing runtime_error: Assertion " #condition " failed in " __FILE__        \
-                     ", line "                                                                     \
-                  << __LINE__ << std::endl;                                                        \
+    if (!(condition))                                                                              \
         throw std::runtime_error("BUG: Assertion " #condition " failed in " __FILE__ ", line "     \
                                  + std::to_string(__LINE__)                                        \
                                  + ".\n"                                                           \
                                    "Please report this to the maintainers:\n"                      \
                                    "- https://jugit.fz-juelich.de/mlz/bornagain/-/issues/new or\n" \
-                                   "- contact@bornagainproject.org.");                             \
-    }
+                                   "- contact@bornagainproject.org.");
 
 #endif // BA_DEBUG