Remove plugin vim-titlecase

I cann't even remember when I used it last time.

core/plugins.vim

@@ -170,14 +170,6 @@ nnoremap <silent> <Space>t :<C-U>Vista!!<CR>
 "}}
 
 "{{ File editting
-""""""""""""""""""""""""""""vim-titlecase settings"""""""""""""""""""""""
-" Do not use the default mapping provided
-let g:titlecase_map_keys = 0
-
-nmap <leader>gt <Plug>Titlecase
-xmap <leader>gt <Plug>Titlecase
-nmap <leader>gT <Plug>TitlecaseLine
-
 """"""""""""""""""""""""vim-auto-save settings"""""""""""""""""""""""
 " Enable autosave on nvim startup
 let g:auto_save = 1

lua/plugins.lua

@@ -135,9 +135,6 @@ require('packer').startup(
     -- Multiple cursor plugin like Sublime Text?
     -- use 'mg979/vim-visual-multi'
 
-    -- Title character case
-    use 'christoomey/vim-titlecase'
-
     -- Autosave files on certain events
     use '907th/vim-auto-save'
 
@@ -182,6 +179,7 @@ require('packer').startup(
 
     -- Git command inside vim
     use 'tpope/vim-fugitive'
+    use { 'TimUntersberger/neogit', requires = 'nvim-lua/plenary.nvim' }
 
     -- Another markdown plugin
     use {'plasticboy/vim-markdown', ft = {'markdown', }}
@@ -294,3 +292,5 @@ vim.api.nvim_exec([[
     autocmd BufWritePost */nvim/lua/plugins.lua source <afile> | PackerCompile
   augroup END
 ]], false)
+
+require('neogit').setup()