[vim] Move ale mapping to ale.vim

.vim/ftdetect/ale.vim

@@ -5,6 +5,8 @@ let g:ale_sign_warning = "⚠"
 " Enable warnings about trailing whitespace for all files.
 let b:ale_warn_about_trailing_whitespace = 1
 
+nmap <leader>e :ALEDetail <cr>
+
 " ALE colors
 highlight ALEWarning ctermbg=Yellow
 highlight ALEWarning ctermfg=Black

.vim/vimrc

@@ -53,7 +53,6 @@ inoremap <F1> <Esc>:ToggleMouse<CR>a
 nmap <F3> :set nonumber!<CR>
 nmap <F5> :NERDTreeToggle<CR>
 set pastetoggle=<F2>
-nmap <leader>e :ALEDetail <cr>
 
 " Enable vimrc files per project, e.g: ./project/.vimrc
 set exrc