nvim: init.vim: Remove echodoc

Signed-off-by: Sanchayan Maity <maitysanchayan@gmail.com>

nvim/init.vim

@@ -64,7 +64,6 @@ Plug 'tpope/vim-surround'
 Plug 'editorconfig/editorconfig-vim'
 Plug 'tpope/vim-eunuch'
 Plug 'jeetsukumaran/vim-buffergator'
-Plug 'Shougo/echodoc.vim'
 
 " Initialize plugin system
 call plug#end()
@@ -101,7 +100,6 @@ set tabstop=4           " Render TABs using this many spaces.
 set shiftwidth=4        " Indentation amount for < and > commands.
 set smarttab            " Indent with tabs, align with spaces.
 set expandtab           " When on, uses space instead of tabs.
-set cmdheight=2         " For echodoc
 
 set noerrorbells        " No beeps.
 set modeline            " Enable modeline.
@@ -183,10 +181,6 @@ noremap   <Down>   <NOP>
 noremap   <Left>   <NOP>
 noremap   <Right>  <NOP>
 
-" For Haskell
-let g:echodoc#enable_at_startup = 1
-let g:echodoc#type = 'signature'
-
 let g:LanguageClient_autoStart = 0
 let g:LanguageClient_loggingFile = expand('$HOME/LC.log')
 let g:LanguageClient_rootMarkers = ['stack.yaml']