contrib: Drop a few scripts.

The number of contrib scripts was far too large.
These four utilities really don't belong here.

contrib/kiss-cargo-urlgen

@@ -1,12 +0,0 @@
-#!/bin/sh
-# Generate sources for rust packages
-
-[ "$1" ] || {
-    printf 'usage: kiss-cargo-urlgen [crate-ver] [crate-ver]\n'
-    exit 1
-}
-
-for crate in "$@"; do
-    printf 'https://static.crates.io/crates/%s/%s.crate vendor\n' \
-        "${crate%-*}" "$crate"
-done

contrib/kiss-depends-finder

@@ -1,46 +0,0 @@
-#!/bin/sh -e
-# Find missing dependencies by parsing ldd
-
-# Ignore shellcheck as we want the warning's behavior.
-# shellcheck disable=2015
-[ "$1" ] && kiss l "${1:-null}" >/dev/null || {
-    printf 'usage: kiss-depends-finder [pkg]\n'
-    exit 1
-}
-
-db_dir=$KISS_ROOT/var/db/kiss/installed
-grep=$(command -v ggrep) || grep='grep'
-
-printf '=> Detected dependencies:\n'
-
-while read -r file; do
-    [ -d "$KISS_ROOT/$file" ] && continue
-
-    ldd "$KISS_ROOT/$file" 2>/dev/null | while read -r dep; do
-        # Skip lines containing 'ldd'.
-        [ "${dep##*ldd*}" ] || continue
-
-        # Extract the file path from 'ldd' output.
-        dep=${dep#* => }
-        dep=${dep% *}
-
-        # Traverse symlinks to get the true path to the file.
-        pkg=$(readlink -f "$KISS_ROOT/${dep##$KISS_ROOT}")
-
-        # Figure out which package owns the file.
-        pkg=$("$grep" -lFx "${pkg##$KISS_ROOT}" "$db_dir/"*/manifest)
-        pkg=${pkg%/*}
-        pkg=${pkg##*/}
-
-        # Skip listing these packages as dependencies.
-        case $pkg in
-            musl|gcc|llvm|"$1") ;;
-            *) printf '%s\n' "$pkg" ;;
-        esac
-    done
-done < "$db_dir/$1/manifest" | sort -u
-
-printf '\n=> Package dependencies:\n'
-
-[ -f "$db_dir/$1/depends" ] &&
-    cat "$db_dir/$1/depends"

contrib/kiss-manifest-tree

@@ -1,12 +0,0 @@
-#!/bin/sh -ef
-# Display all files owned by a package in a tree
-
-# Ignore shellcheck as we want the warning's behavior.
-# shellcheck disable=2015
-[ "$1" ] && kiss l "${1:-null}" >/dev/null || {
-    printf 'usage: kiss-manifest-tree [pkg]\n'
-    exit 1
-}
-
-printf '%s\n' "[$1]:"
-tree -C --fromfile "$KISS_ROOT/var/db/kiss/installed/$1/manifest" | tail -n +2

contrib/kiss-repodepends

@@ -1,11 +0,0 @@
-#!/bin/sh
-# Display a package's original dependencies
-
-# Ignore shellcheck as we want the warning's behavior.
-# shellcheck disable=2015
-[ "$1" ] && kiss s "${1:-null}" >/dev/null || {
-    printf 'usage: kiss-repodepends [pkg]\n'
-    exit 1
-}
-
-cat "$(kiss s "$1")/depends" 2>/dev/null