Make #include <random> work in nvcc -std=c++17 mode

This backports [PR #80979](llvm/llvm-project#80979) from llvm upstream.

Author: georgthegreat

contrib/libs/cxxsupp/libcxx/include/__random/binomial_distribution.h

@@ -113,10 +113,6 @@ class _LIBCPP_TEMPLATE_VIS binomial_distribution
         {return !(__x == __y);}
 };
 
-#ifndef _LIBCPP_MSVCRT_LIKE
-extern "C" double lgamma_r(double, int *);
-#endif
-
 inline _LIBCPP_INLINE_VISIBILITY double __libcpp_lgamma(double __d) {
 #if defined(_LIBCPP_MSVCRT_LIKE)
   return lgamma(__d);