editor: move editor-related functions and declarations into common file

cache.h and strbuf.[ch] had editor-related functions.  Move these into
editor.[ch].

Signed-off-by: Elijah Newren <newren@gmail.com>
Acked-by: Calvin Wan <calvinwan@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

1 files changed, 0 insertions, 3 deletions

diff --git a/cache.h b/cache.h
index 394e8d0125..97ddf4094a 100644
--- a/cache.h
+++ b/cache.h
@@ -621,10 +621,7 @@ int df_name_compare(const char *name1, size_t len1, int mode1,
 int name_compare(const char *name1, size_t len1, const char *name2, size_t len2);
 int cache_name_stage_compare(const char *name1, int len1, int stage1, const char *name2, int len2, int stage2);
 
-const char *git_editor(void);
-const char *git_sequence_editor(void);
 const char *git_pager(int stdout_is_tty);
-int is_terminal_dumb(void);
 
 struct cache_def {
 	struct strbuf path;