remove travis_nginx.conf

tests/nginx.conf

@@ -1,30 +0,0 @@
-worker_processes  1;
-
-events {
-    worker_connections  1024;
-}
-
-http {
-    include       mime.types;
-    default_type  application/octet-stream;
-
-    gzip  on;
-
-    server {
-        listen       80;
-        server_name  localhost;
-        root /home/travis/build/meolu/walle-web/web;
-        index index.php;
-
-        location / {
-            try_files $uri $uri/ /index.php$is_args$args;
-        }
-
-        location ~ \.php$ {
-            try_files $uri =404;
-            fastcgi_pass   127.0.0.1:9000;
-            fastcgi_param  SCRIPT_FILENAME  $document_root$fastcgi_script_name;
-            include        fastcgi_params;
-        }
-    }
-}