Remove FernInit autocmd which does not work as expect

Author: lambdalisue

doc/fern.txt

@@ -17,7 +17,6 @@ INTERFACE				|fern-interface|
   VARIABLE				|fern-variable|
   COMMAND				|fern-command|
   FUNCTION				|fern-function|
-  AUTOCMD				|fern-autocmd|
 CHANGELOG				|fern-changelog|
 
 
@@ -545,23 +544,6 @@ fern#smart#scheme({default}, {schemes})
 	      \   },
 	      \ )
 <
------------------------------------------------------------------------------
-AUTOCMD							*fern-autocmd*
-
-						*User-FernInit*
-User FernInit
-	After fern has loaded. Mainly for 3rd party plugins to know they can
-	use fern autoload functions.
->
-	function! s:fern_init() abort
-	  " Now any autoload functions of fern are available
-	endfunction
-
-	augroup my-fern-init
-	  autocmd!
-	  autocmd User FernInit call s:fern_init()
-	augroup END
-<
 
 =============================================================================
 CHANGELOG						*fern-changelog*

plugin/fern.vim

@@ -31,8 +31,4 @@ augroup fern_internal
   autocmd! *
   autocmd BufReadCmd fern://* ++nested call s:BufReadCmd()
   autocmd SessionLoadPost fern://* ++nested call s:BufReadCmd()
-  autocmd User FernInit ++once :
 augroup END
-
-" Tell 3rd parties that fern has initialized
-doautocmd <nomodeline> User FernInit