Nuke unused code

Author: foobar

ext/sockets/php_sockets.h

@@ -82,10 +82,6 @@ typedef struct {
 	int		error;
 } php_socket;
 
-typedef struct {
-	zend_bool	use_system_read;
-} php_sockets_globals;
-
 /* Prototypes */
 #ifdef ilia_0 /* not needed, only causes a compiler warning */
 static int php_open_listen_sock(php_socket **php_sock, int port, int backlog TSRMLS_DC);