nvim: init.vim: Remove hard time

For code browsing j & k keys are required. Using Ctrl-d/e
combination to scroll becomes unwieldy.

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

nvim/init.vim

@@ -103,7 +103,6 @@ Plug 'jpalardy/vim-slime'
 Plug 'liuchengxu/vim-which-key'
 Plug 'jceb/vim-orgmode'
 Plug 'wellle/targets.vim'
-Plug 'takac/vim-hardtime'
 Plug 'junegunn/vim-easy-align'
 
 " Initialize plugin system