Merge branch 'ab/environment-clean-header'

Code clean-up.

* ab/environment-clean-header:
  environment.h: remove unused variables

diff --cc environment.h
index 91d854dcb087a8d239d4cc2cee403a285cecc2b7,b6022b35ef84a08a47411b50de0591a40886f142..3d98461a06f70228a9a1b160173291c04a0ba9b8
--- 1/environment.h
--- 2/environment.h
+++ b/environment.h
@@@ -150,10 -160,10 +150,8 @@@ extern int warn_on_object_refname_ambig
  extern char *apply_default_whitespace;
  extern char *apply_default_ignorewhitespace;
  extern char *git_attributes_file;
 -extern char *git_hooks_path;
  extern int zlib_compression_level;
  extern int pack_compression_level;
- extern size_t packed_git_window_size;
- extern size_t packed_git_limit;
 -extern unsigned long big_file_threshold;
  extern unsigned long pack_size_limit_cfg;
  extern int max_allowed_tree_depth;