xserver-xorg: remove aarch64.patch

Patch aarch64.patch adds aarch64 support for xserver-xorg 1.13.1 in
header file servermd.h. And aarch64 is supported in version 1.15.1
already and the patch causes redefine error.

So remove aarch64.patch.

(From OE-Core rev: 2d8700bf2250ff4975dad51ee32e8d520fc14a11)

Signed-off-by: Kai Kang <kai.kang@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/recipes-graphics/xorg-xserver/xserver-xorg/aarch64.patch

@@ -1,35 +0,0 @@
-Subject: Add AArch64 support to xserver-xorg
-Author: Marcin Juszkiewicz <marcin.juszkiewicz@linaro.org>
-
-lnx_video.c parts are not existing in 1.14 branch.
-
-Xserver was checked in AArch64 fastmodel (commercial one with graphics support).
-
-http://patchwork.freedesktop.org/patch/12785/
-
-Upstream-Status: Pending
-
----
- include/servermd.h                      |    7 +++++++
- 1 files changed, 7 insertions(+), 0 deletions(-)
-
---- xorg-server-1.13.1.orig/include/servermd.h
-+++ xorg-server-1.13.1/include/servermd.h
-@@ -243,10 +243,17 @@ SOFTWARE.
- #define BITMAP_BIT_ORDER       LSBFirst
- #define GLYPHPADBYTES		4
- /* ???? */
- #endif                          /* AMD64 */
- 
-+#if defined(__aarch64__) || defined(aarch64) || defined(__aarch64)
-+#define IMAGE_BYTE_ORDER	MSBFirst
-+#define BITMAP_BIT_ORDER       MSBFirst
-+#define GLYPHPADBYTES		4
-+/* ???? */
-+#endif                          /* AArch64 */
-+
- #if	defined(SVR4) && (defined(__i386__) || defined(__i386) ) ||	\
- 	defined(__alpha__) || defined(__alpha) || \
- 	defined(__i386__) || \
- 	defined(__s390x__) || defined(__s390__)
- 

meta/recipes-graphics/xorg-xserver/xserver-xorg_1.15.1.bb

@@ -4,7 +4,6 @@ require xserver-xorg.inc
 SRC_URI += "file://crosscompile.patch \
             file://fix_open_max_preprocessor_error.patch \
             file://mips64-compiler.patch \
-            file://aarch64.patch \
             file://xorg-CVE-2013-6424.patch \
             file://xshmfence-option.patch \
            "