package/liblockfile: drop empty patch tarball

The Debian control aarchive does not contain any patch for liblockfile
1.17; it has had no patch since Debian packaged version 1.16-1.1.

Drop the path tarball now.

Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>
[Arnout: also drop from hash file]
Signed-off-by: Arnout Vandecappelle <arnout@mind.be>

package/liblockfile/liblockfile.hash

@@ -1,6 +1,5 @@
 # From https://snapshot.debian.org/archive/debian/20210128T210947Z/pool/main/libl/liblockfile/liblockfile_1.17-1.dsc
 sha256  6e937f3650afab4aac198f348b89b1ca42edceb17fb6bb0918f642143ccfd15e  liblockfile_1.17.orig.tar.gz
-sha256  e3657c0e3facfeccb58900c0b48d56cd68ad5f9f24d1b4c6eaa69c26490fb673  liblockfile_1.17-1.debian.tar.bz2
 # Locally computed
 sha256  3d080ab931103a823e6b9b788ccbc3e9d44797bd54546f3feebfd305f90de46a  COPYRIGHT
 sha256  8177f97513213526df2cf6184d8ff986c675afb514d4e68a404010521b880643  licenses/GPL-2

package/liblockfile/liblockfile.mk

@@ -7,7 +7,6 @@
 LIBLOCKFILE_VERSION = 1.17
 LIBLOCKFILE_SOURCE = liblockfile_$(LIBLOCKFILE_VERSION).orig.tar.gz
 LIBLOCKFILE_SITE = http://snapshot.debian.org/archive/debian/20210128T210947Z/pool/main/libl/liblockfile
-LIBLOCKFILE_PATCH = liblockfile_$(LIBLOCKFILE_VERSION)-1.debian.tar.bz2
 
 LIBLOCKFILE_LICENSE = LGPL-2.0+, GPL-2.0+ (dotlockfile)
 LIBLOCKFILE_LICENSE_FILES = COPYRIGHT licenses/GPL-2 licenses/LGPL-2