* extra validation breaking POST/DELETE rest calls (esp8266#4003)

Author: vborcea

libraries/ESP8266WebServer/src/Parsing.cpp

@@ -179,8 +179,6 @@ bool ESP8266WebServer::_parseRequest(WiFiClient& client) {
     if (!isForm){
       size_t plainLength;
       char* plainBuf = readBytesWithTimeout(client, contentLength, plainLength, HTTP_MAX_POST_WAIT);
-      if (!plainBuf)
-        return false;
       if (plainLength < contentLength) {
       	free(plainBuf);
       	return false;