Revert "Turn httpbin's port to 8080"

This reverts commit 0a0e7ec

Author: twose

tests/include/config.php

@@ -55,7 +55,7 @@
 /** ============== HttpBin ============== */
 if (IS_IN_TRAVIS) {
     define('HTTPBIN_SERVER_HOST', 'httpbin');
-    define('HTTPBIN_SERVER_PORT', 8080);
+    define('HTTPBIN_SERVER_PORT', 80);
     define('HTTPBIN_LOCALLY', true);
 } elseif (!empty($info = `docker ps 2>&1 | grep httpbin 2>&1`) &&
     preg_match('/\s+?[^:]+:(\d+)->\d+\/tcp\s+/', $info, $matches) &&

travis/docker-compose.yml

@@ -40,5 +40,3 @@ services:
   httpbin:
     container_name: "httpbin"
     image: "kennethreitz/httpbin"
-    ports:
-      - "8080:80"