Merge branch 'sg/commit-graph-usage-fix'

Message fix.

* sg/commit-graph-usage-fix:
  builtin/commit-graph.c: remove subcommand-less usage string

Author: gitster

builtin/commit-graph.c

@@ -8,7 +8,6 @@
 #include "object-store.h"
 
 static char const * const builtin_commit_graph_usage[] = {
-	N_("git commit-graph [--object-dir <objdir>]"),
 	N_("git commit-graph read [--object-dir <objdir>]"),
 	N_("git commit-graph verify [--object-dir <objdir>] [--shallow] [--[no-]progress]"),
 	N_("git commit-graph write [--object-dir <objdir>] [--append|--split] [--reachable|--stdin-packs|--stdin-commits] [--[no-]progress] <split options>"),