remove client_body_max

Author: aptalca

root/defaults/proxy.conf

@@ -1,6 +1,5 @@
-## Version 2018/05/31 - Changelog: https://github.com/linuxserver/docker-letsencrypt/commits/master/root/defaults/proxy.conf
+## Version 2019/01/21 - Changelog: https://github.com/linuxserver/docker-letsencrypt/commits/master/root/defaults/proxy.conf
 
-client_max_body_size 10m;
 client_body_buffer_size 128k;
 
 #Timeout if the real server is dead