Remove unused crate publishing Github action and script (#4347)

## Issue Addressed

`publish-crate` action and its script no longer used after https://github.com/sigp/lighthouse/pull/3890.

scripts/ci/publish.sh

@@ -1,109 +0,0 @@
-#!/usr/bin/env bash
-
-# Based on: https://github.com/tokio-rs/tokio/blob/master/bin/publish
-
-set -e
-USAGE="Publish a new release of a lighthouse crate
-USAGE:
-    $(basename "$0") [OPTIONS] [CRATE_PATH] [CRATE] [TAG_NAME]
-OPTIONS:
-    -v, --verbose       Use verbose Cargo output
-    -d, --dry-run       Perform a dry run (do not publish the release)
-    -h, --help          Show this help text and exit
-        --allow-dirty   Allow dirty working directories to be packaged"
-
-DRY_RUN=""
-DIRTY=""
-VERBOSE=""
-
-verify() {
-    echo "Verifying if $CRATE v$VERSION can be released"
-
-    # `cargo pkgid` has different formats based on whether the `[lib]` name and `[package]` name
-    # are the same, necessitating the following logic.
-    #
-    # Try to match on `#`
-    ACTUAL=$(cargo pkgid | sed -n 's/.*#\([0-9]\)/\1/p' )
-    if [ -z "$ACTUAL" ]; then
-        # Match on the final `:`
-        ACTUAL=$(cargo pkgid | sed -n 's/.*:\(.*\)/\1/p')
-    fi
-
-    if [ "$ACTUAL" != "$VERSION" ]; then
-        echo "expected to release version $VERSION, but Cargo.toml contained $ACTUAL"
-        exit 1
-    fi
-}
-
-release() {
-    echo  "Releasing $CRATE v$VERSION"
-    cargo package $VERBOSE $DIRTY
-    cargo publish $VERBOSE $DRY_RUN $DIRTY
-}
-
-while [[ $# -gt 0 ]]
-do
-
-case "$1" in
-    -h|--help)
-    echo "$USAGE"
-    exit 0
-    ;;
-    -v|--verbose)
-    VERBOSE="--verbose"
-    set +x
-    shift
-    ;;
-    --allow-dirty)
-    DIRTY="--allow-dirty"
-    shift
-    ;;
-    -d|--dry-run)
-    DRY_RUN="--dry-run"
-    shift
-    ;;
-    -*)
-    echo "unknown flag \"$1\""
-    echo "$USAGE"
-    exit 1
-    ;;
-    *) # crate, crate path, or version
-    if [ -z "$CRATE_PATH" ]; then
-        CRATE_PATH="$1"
-    elif [ -z "$CRATE" ]; then
-        CRATE="$1"
-    elif [ -z "$TAG_NAME" ]; then
-        TAG_NAME="$1"
-        VERSION=$(sed -e 's#.*-v\([0-9]\)#\1#' <<< "$TAG_NAME")
-    else
-        echo "unknown positional argument \"$1\""
-        echo "$USAGE"
-        exit 1
-    fi
-    shift
-    ;;
-esac
-done
-# set -- "${POSITIONAL[@]}"
-
-if [ -z "$VERSION" ]; then
-    echo "no version specified!"
-    HELP=1
-fi
-
-if [ -z "$CRATE" ]; then
-    echo "no crate specified!"
-    HELP=1
-fi
-
-if [ -n "$HELP" ]; then
-    echo "$USAGE"
-    exit 1
-fi
-
-if [ -d "$CRATE_PATH" ]; then
-    (cd "$CRATE_PATH" && verify && release )
-else
-    echo "no such dir \"$CRATE_PATH\""
-    exit 1
-fi