Remove FEAT_AUTOCMD

Support for :autocmd command

src/nvim/fileio.c

@@ -5361,8 +5361,6 @@ void forward_slash(char_u *fname)
 
 /*
  * Code for automatic commands.
- *
- * Only included when "FEAT_AUTOCMD" has been defined.
  */
 
 
@@ -6460,7 +6458,6 @@ int check_nomodeline(char_u **argp)
  * Search for a visible window containing the current buffer.  If there isn't
  * one then use "aucmd_win".
  * Set "curbuf" and "curwin" to match "buf".
- * When FEAT_AUTOCMD is not defined another version is used, see below.
  */
 void 
 aucmd_prepbuf (
@@ -6546,7 +6543,6 @@ aucmd_prepbuf (
 /*
  * Cleanup after executing autocommands for a (hidden) buffer.
  * Restore the window as it was (if possible).
- * When FEAT_AUTOCMD is not defined another version is used, see below.
  */
 void 
 aucmd_restbuf (

src/nvim/fileio.h

@@ -6,7 +6,7 @@
 
 /*
  * Struct to save values in before executing autocommands for a buffer that is
- * not the current buffer.  Without FEAT_AUTOCMD only "curbuf" is remembered.
+ * not the current buffer.
  */
 typedef struct {
   buf_T       *save_curbuf;     /* saved curbuf */