x11proto: Changes to 'master'

[Adam Jackson]

 Makefile.am                   |   49 ---------
 autogen.sh                    |   19 ---
 configure.ac                  |  217 ------------------------------------------
 specs/Makefile.am             |   21 ----
 specs/SIAddresses/Makefile.am |    6 -
 5 files changed, 4 insertions(+), 308 deletions(-)

New commits:
commit 0657164905c607e1b2b1dbac2707b06460a9e2f4
Author: Adam Jackson <ajax at redhat.com>
Date:   Thu Mar 1 14:30:44 2018 -0500

    Deprecate x11proto
    
    Signed-off-by: Adam Jackson <ajax at redhat.com>