e-wm-sysactions-shr: exclude from world

* NOTE: multiple providers are available for runtime e-wm-sysactions (e-wm, e-wm-sysactions-shr)
  NOTE: consider defining a PREFERRED_PROVIDER entry to match e-wm-sysactions

Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>
xserver-xorg: rename bbappend to match new version from oe-core

Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>