package/x11r7/xlib_libXt: bump version to 1.2.0

package/x11r7/xlib_libXt: bump version to 1.2.0

Removed patch applied upstream:
https://cgit.freedesktop.org/xorg/lib/libXt/commit/?id=0b80bc9904c8d553c760651daca0c964df052c8b
Also removed _AUTORECONF.

Added all hashes provided by upstream.

Updated license hash after upstream commit:
https://cgit.freedesktop.org/xorg/lib/libXt/commit/?id=a8dcb749458a723dd76e342162c5c00b629374fe

Removed configure option install-makestrs after upstream commit:
https://cgit.freedesktop.org/xorg/lib/libXt/commit/?id=345633dc9c79b32a1b391dfb4dfedf87ae9e291b

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