rdiff: deleted unmaintained port

rdiff/.footprint

@@ -1,7 +0,0 @@
-drwxr-xr-x	root/root	usr/
-drwxr-xr-x	root/root	usr/bin/
--rwxr-xr-x	root/root	usr/bin/rdiff
-drwxr-xr-x	root/root	usr/share/
-drwxr-xr-x	root/root	usr/share/man/
-drwxr-xr-x	root/root	usr/share/man/man1/
--rw-r--r--	root/root	usr/share/man/man1/rdiff.1.gz

rdiff/.signature

@@ -1,5 +0,0 @@
-untrusted comment: verify with /etc/ports/opt.pub
-RWSE3ohX2g5d/QoFuMpKauLZG6+O2IYWhIcb9+x1TfB14rqWcSnzrvD7GwpOXf17o/n+T/9kzrXPLp4TrHoF+z1dBNPkCQMVVQY=
-SHA256 (Pkgfile) = 61ae98ad4e58460112b207e165888fb0329c90969d91090ca8adb4295bd29762
-SHA256 (.footprint) = 062bd0639c689fe4383b3d3d1321dbbed7b2e498ea2db16d4d58f2685da7bf7f
-SHA256 (librsync-v2.3.1.tar.gz) = dbd7eb643665691bdf4009174461463737b19b4814b789baad62914cabfe4569

rdiff/Pkgfile

@@ -1,22 +0,0 @@
-# Description: Compute and apply signature-based file differences
-# URL:         https://github.com/librsync/librsync
-# Maintainer:  Thomas Penteker, tek at serverop dot de
-# Depends on:  librsync
-
-name=rdiff
-version=2.3.1
-release=1
-source=(https://github.com/librsync/librsync/archive/v$version/librsync-v$version.tar.gz)
-
-build() {
-    cmake -S librsync-$version -B build \
-        -D CMAKE_BUILD_TYPE=Release \
-        -D CMAKE_C_FLAGS_RELEASE="$CFLAGS" \
-        -D CMAKE_INSTALL_PREFIX=/usr \
-        -D CMAKE_INSTALL_LIBDIR=lib \
-
-    cmake --build build
-
-    install -D -m 755 build/rdiff $PKG/usr/bin/rdiff
-    install -D -m 644 librsync-$version/doc/rdiff.1 $PKG/usr/share/man/man1/rdiff.1
-}