package/x11r7/xlib_libX11: bump version to 1.6.9

package/x11r7/xlib_libX11: bump version to 1.6.9

Removed patched applied upstream:

0001-makekeys-detach-ourselves-from-X-headers-entirely.patch
https://cgit.freedesktop.org/xorg/lib/libX11/commit/?id=0327c427d62f671eced067c6d9b69f4e216a8cac

0002-remove-reliance-on-static-libc.patch
https://cgit.freedesktop.org/xorg/lib/libX11/commit/?id=edc7680ed5a03cedb5facf14693823455e12c29c

Removed autoreconf.

Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>