--- a/contrib/packagelib.sh	Sun Jul 01 23:36:53 2018 +0900
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,38 +0,0 @@
-# Extract version number into 4 parts, some of which may be empty:
-#
-# version: the numeric part of the most recent tag. Will always look like 1.3.
-#
-# type: if an rc build, "rc", otherwise empty
-#
-# distance: the distance from the nearest tag, or empty if built from a tag
-#
-# node: the node|short hg was built from, or empty if built from a tag
-gethgversion() {
-    export HGRCPATH=
-    export HGPLAIN=
-
-    make cleanbutpackages
-    make local PURE=--pure
-    HG="$PWD/hg"
-
-    "$HG" version > /dev/null || { echo 'abort: hg version failed!'; exit 1 ; }
-
-    hgversion=`LANGUAGE=C "$HG" version | sed -ne 's/.*(version \(.*\))$/\1/p'`
-
-    if echo $hgversion | grep + > /dev/null 2>&1 ; then
-        tmp=`echo $hgversion | cut -d+ -f 2`
-        hgversion=`echo $hgversion | cut -d+ -f 1`
-        distance=`echo $tmp | cut -d- -f 1`
-        node=`echo $tmp | cut -d- -f 2`
-    else
-        distance=''
-        node=''
-    fi
-    if echo $hgversion | grep -- '-' > /dev/null 2>&1; then
-        version=`echo $hgversion | cut -d- -f1`
-        type=`echo $hgversion | cut -d- -f2`
-    else
-        version=$hgversion
-        type=''
-    fi
-}