filelister.cpp: removed unused NAME_MAX related code (#5609)

The code which was using this was removed in
8b309a8.

Author: firewave

cli/filelister.cpp

@@ -24,8 +24,6 @@
 
 #include <cstddef>
 #include <cstring>
-// fix NAME_MAX not found on macOS GCC8.1
-#include <climits>
 #include <memory>
 
 #ifdef _WIN32
@@ -157,13 +155,6 @@ std::string FileLister::addFiles(std::map<std::string, std::size_t> &files, cons
 #include <sys/stat.h>
 #include <cerrno>
 
-#ifndef NAME_MAX
-#ifdef MAXNAMLEN
-#define NAME_MAX MAXNAMLEN
-#endif
-#endif
-
-
 static std::string addFiles2(std::map<std::string, std::size_t> &files,
                              const std::string &path,
                              const std::set<std::string> &extra,