Merge branch 'tt/help'

* tt/help:
Remove hint to use "git help -a"
Make the list of common commands more exclusive

diff --combined help.c
index d340b6a1b6c4ecb8132e81fe306883aa18feb090,5f8c121bc1f8daf6bc6bb810b08a802a27ce9dc2..37a9c25db72d2a69a8076517870b7b874bd336a9
--- 1/help.c
--- 2/help.c
+++ b/help.c
@@@ -7,6 -7,7 +7,6 @@@
  #include "builtin.h"
  #include "exec_cmd.h"
  #include "common-cmds.h"
 -#include <sys/ioctl.h>
  
  /* most GUI terminals set COLUMNS (although some don't export it) */
  static int term_columns(void)
@@@ -237,7 -238,6 +237,6 @@@ void list_common_cmds_help(void
                mput_char(' ', longest - strlen(common_cmds[i].name));
                puts(common_cmds[i].help);
        }
-       puts("(use 'git help -a' to get a list of all installed git commands)");
  }
  
  static void show_man_page(const char *git_cmd)