don't look for funced in new buffers

Fish passes an existing file so this is more correct.

Author: dag

ftdetect/fish.vim

@@ -1,4 +1,4 @@
 autocmd BufRead,BufNewFile *.fish setfiletype fish
-autocmd BufRead,BufNewFile /tmp/fish_funced_*.fish ?\C^end\>?-1 | if getline('.') ==# '' | execute "normal! i\<C-t>" | endif | startinsert!
+autocmd BufRead /tmp/fish_funced_*.fish ?\C^end\>?-1 | if getline('.') ==# '' | execute "normal! i\<C-t>" | endif | startinsert!
 autocmd BufRead,BufNewFile ~/.config/fish/fish_{read_,}history setfiletype yaml
 autocmd BufRead,BufNewFile ~/.config/fish/fishd.* setlocal readonly