nvim: init.vim: Do not trigger neomake on BufWinEnter

Triggering neomake on BufWinEnter auto command becomes a
problem if the make program does not exist. In Haskell, if
for a project hlint is not installed using stack, opening
the editor stalls.

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

nvim/init.vim

@@ -335,7 +335,6 @@ call neomake#configure#automake({
             \ 'TextChanged': {},
             \ 'InsertLeave': {},
             \ 'BufWritePost': {},
-            \ 'BufWinEnter': {}
             \ })
 " When compilation is done, open the Location list or quickfix list
 " Value of 2 preserves cursor position