Issue delete htaccess redirecting www to non www

some days ago i upload this .htaccess

RewriteEngine On
RewriteCond %{HTTP_HOST} !^www\.
RewriteRule ^(.*)$ http://www.%{HTTP_HOST}/$1 [R=301,L]

now I want delete this redirect. I already delete .htaccess file but rediret still working.

I don't want redirect non www to www.

plz help me.