Revert "Changements dans les modules (nouvelle version Express, mysql, ..)"

This reverts commit bdab795506.

node_modules/raw-body/index.js

@@ -69,13 +69,6 @@ function getRawBody (stream, options, callback) {
   var done = callback
   var opts = options || {}
 
-  // light validation
-  if (stream === undefined) {
-    throw new TypeError('argument stream is required')
-  } else if (typeof stream !== 'object' || stream === null || typeof stream.on !== 'function') {
-    throw new TypeError('argument stream must be a stream')
-  }
-
   if (options === true || typeof options === 'string') {
     // short cut for encoding
     opts = {