Redirect output of nohup command to /dev/null

Without this it tries to delete nohup.out - which because of another plugin asks for confirmation everytime

plugins/web-search/web-search.plugin.zsh

@@ -37,8 +37,7 @@ function web_search() {
   done
 
   url="${url%?}" # remove the last '+'
-  nohup $open_cmd "$url" 
- 	rm nohup.out	
+  nohup $open_cmd "$url"&> /dev/null& 
 }