drop Debian vendoring

debian/patches/series

@@ -7,7 +7,6 @@ debian/dfsg/video-remove-nvidiafb-and-rivafb.patch
 debian/dfsg/documentation-fix-broken-link-to-cipso-draft.patch
 
 # Changes to support package build system
-debian/version.patch
 debian/uname-version-timestamp.patch
 debian/kernelvariables.patch
 debian/mips-boston-disable-its.patch