alsa-oss: Drop now not needed patch

Upstream has completely dropped including libio.h which makes it
redundant [1] moreover glibc is no longer shipping this header either

[1] https://github.com/alsa-project/alsa-oss/commit/8564df1c8d114de6ddbc082004c2a74719a46717

Signed-off-by: Khem Raj <raj.khem@gmail.com>

meta-oe/recipes-multimedia/alsa/alsa-oss/libio.patch

@@ -1,53 +0,0 @@
-From 54b1c2e27bf81f94c727b4923d4ed592110e2796 Mon Sep 17 00:00:00 2001
-From: Martin Jansa <Martin.Jansa@gmail.com>
-Date: Sun, 29 May 2011 21:05:15 +0200
-
----
- alsa/stdioemu.c | 8 +++++++-
- configure.ac    | 6 ++++++
- 2 files changed, 13 insertions(+), 1 deletion(-)
-
-diff --git a/alsa/stdioemu.c b/alsa/stdioemu.c
-index f7f9ab5..b673fe3 100644
---- a/alsa/stdioemu.c
-+++ b/alsa/stdioemu.c
-@@ -37,7 +37,9 @@
- #endif
- 
- #include <stdio.h>
--
-+#ifdef HAVE_LIBIO_H
-+#include <libio.h>
-+#endif
- struct fd_cookie {
- 	int fd;
- };
-@@ -98,7 +100,11 @@ static FILE *fake_fopen(const char *path, const char *mode, int flags)
- 
- 	if (open_mode && fdc->fd > 0) {
- 		result = fopencookie (fdc,"w", fns);
-+#ifdef HAVE_FILENO
- 		result->_fileno = fdc->fd;		/* ugly patchy slimy kludgy hack */
-+#else
-+		result->__filedes = fdc->fd;
-+#endif
- 	}
- 	return result;
- }
-diff --git a/configure.ac b/configure.ac
-index 583b95f..60a1025 100644
---- a/configure.ac
-+++ b/configure.ac
-@@ -35,6 +35,12 @@ if test "$with_aoss" = "yes"; then
-   LIBS="$OLD_LIBS"
- fi
- 
-+AC_CHECK_HEADERS_ONCE([libio.h])
-+
-+AC_CHECK_MEMBER([struct _IO_FILE._fileno],
-+		[AC_DEFINE([HAVE_FILENO], [1],[Define if _fileno exists.])],
-+		[],[])
-+
- AC_OUTPUT(Makefile alsa/Makefile alsa/aoss alsa/aoss.old \
- 	  oss-redir/Makefile test/Makefile \
-           alsa/testaoss test/testaoss)

meta-oe/recipes-multimedia/alsa/alsa-oss_1.1.8.bb

@@ -1,26 +1,3 @@
-# FIXME: the LIC_FILES_CHKSUM values have been updated by 'devtool upgrade'.
-# The following is the difference between the old and the new license text.
-# Please update the LICENSE value if needed, and summarize the changes in
-# the commit message via 'License-Update:' tag.
-# (example: 'License-Update: copyright years updated.')
-#
-# The changes:
-#
-# --- COPYING
-# +++ COPYING
-# @@ -2,7 +2,8 @@
-#  		       Version 2, June 1991
-#  
-#   Copyright (C) 1989, 1991 Free Software Foundation, Inc.
-# -                       59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
-# + 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
-# +
-#   Everyone is permitted to copy and distribute verbatim copies
-#   of this license document, but changing it is not allowed.
-#  
-# 
-#
-
 SUMMARY = "Alsa OSS Compatibility Package"
 SECTION = "libs/multimedia"
 LICENSE = "GPLv2"
@@ -28,7 +5,6 @@ LIC_FILES_CHKSUM = "file://COPYING;md5=ed055b4eff93da784176a01582e6ec1a"
 DEPENDS = "alsa-lib"
 
 SRC_URI = "ftp://ftp.alsa-project.org/pub/oss-lib/alsa-oss-${PV}.tar.bz2 \
-    file://libio.patch \
 "
 SRC_URI[md5sum] = "9ec4bb783fdce19032aace086d65d874"
 SRC_URI[sha256sum] = "64adcef5927e848d2e024e64c4bf85b6f395964d9974ec61905ae4cb8d35d68e"