message: Remove PHP7 check
diff: @@ -99,10 +99,6 @@ const zend_function_entry swoole_websocket_server_methods[] =
  void swoole_websocket_onOpen(http_context *ctx)
  {
  -#if PHP_MAJOR_VERSION < 7
  - TSRMLS_FETCH_FROM_CTX(sw_thread_ctx ? sw_thread_ctx : NULL);
  -#endif
  -
  int fd = ctx->fd;
  swConnection *conn = swWorker_get_connection(SwooleG.serv, fd);
  @@ -189,10 +185,6 @@ void php_swoole_sha1(const char *str, int _len, unsigned char *digest)
  static int websocket_handshake(swListenPort *port, http_context *ctx)
  {
  -#if PHP_MAJOR_VERSION < 7
  - TSRMLS_FETCH_FROM_CTX(sw_thread_ctx ? sw_thread_ctx : NULL);
  -#endif
  -
  zval *header = ctx->request.zheader;
  HashTable *ht = Z_ARRVAL_P(header);
  zval *pData;
  @@ -338,10 +330,6 @@ int swoole_websocket_onClose(swEventData *req)
  int swoole_websocket_onMessage(swEventData *req)
  {
  -#if PHP_MAJOR_VERSION < 7
  - TSRMLS_FETCH_FROM_CTX(sw_thread_ctx ? sw_thread_ctx : NULL);
  -#endif
  -
  int fd = req->info.fd;
  long finish = 0;
  long opcode = 0;
  @@ -424,10 +412,6 @@ int swoole_websocket_onMessage(swEventData *req)
  int swoole_websocket_onHandshake(swListenPort *port, http_context *ctx)
  {
  -#if PHP_MAJOR_VERSION < 7
  - TSRMLS_FETCH_FROM_CTX(sw_thread_ctx ? sw_thread_ctx : NULL);
  -#endif
  -
  int fd = ctx->fd;
  int ret = websocket_handshake(port, ctx);
  if (ret == SW_ERR)
  