checkpagage: drop ignore pattern fr removed pppd patches

Commit 0c15169f5ae5 (package/pppd: bump version to 2.5.0) forgot to drop
the check-package exclusion when it dropped the patches.

Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>

.checkpackageignore

@@ -1108,8 +1108,6 @@ package/policycoreutils/0001-Add-DESTDIR-to-all-paths-that-use-an-absolute-path.
 package/policycoreutils/0002-Add-PREFIX-to-host-paths.patch Upstream
 package/postgresql/S50postgresql Variables
 package/powertop/0001-dont-force-stack-smashing-protection.patch Upstream
-package/pppd/0001-pppd-Fix-compilation-with-older-glibc-or-kernel-headers.patch Upstream
-package/pppd/0002-pppd-eap-tls.c-fix-build-with-libressl.patch Upstream
 package/pptp-linux/0001-susv3-legacy.patch Upstream
 package/pptp-linux/0002-fix-parallel-build.patch Upstream
 package/prboom/0001-libpng-1.4.patch Upstream