.checkpackageignore: update file, weston patch removed

The weston patch was removed as part of commit
318f08715c3db7fbe76635384cbd4c615e1fe6b4 ("package/weston: bump to
version 12.0.1"), but .checkpackageignore was not updated accordingly.

Fixes:

  https://gitlab.com/buildroot.org/buildroot/-/jobs/4758335423

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

.checkpackageignore

@@ -1563,7 +1563,6 @@ package/wampcc/0003-Broken-build-on-Windows.patch Upstream
 package/watchdogd/S01watchdogd Indent NotExecutable
 package/wavemon/0001-iw_if.h-don-t-include-linux-if.h.patch Upstream
 package/webrtc-audio-processing/0001-Proper-detection-of-cxxabi.h-and-execinfo.h.patch Upstream
-package/weston/0001-tests-Add-dependency-on-screenshooter-client-protocol.patch Upstream
 package/wget/0001-lib-getrandom.c-fix-build-with-uclibc-1.0.35.patch Upstream
 package/wilc-driver/0001-cfg80211.c-fix-missing-prandom_u32-with-Linux-6.1.0.patch Upstream
 package/wilc-driver/0002-spi.c-fix-build-failure-on-remove-callback.patch Upstream