git: Remove pre-commit hook (#1659)

The README no longer contains version information and we are moving away
from using scripts and tooling to update the version string in various
places, see #1540

.hooks/pre-commit

@@ -1,27 +0,0 @@
-#!/bin/sh
-
-# Pass if the README.md isn't staged for commit
-test "$(git diff --staged README.md)" || exit 0
-
-# Redirect all output to stderr
-exec 1>&2
-
-# shellcheck disable=SC2016
-tag_prev=$(git tag -l | tail -2 | head -1)
-tag_curr=$(git tag -l | tail -1)
-
-# Pass if tags aren't defined
-[ "$tag_prev" ] || exit 0
-[ "$tag_curr" ] || exit 0
-
-sed -n "/${tag_prev}/q1" README.md
-
-# Pass if the previous tag wasn't found
-[ $? -eq 1 ] || exit 0
-
-echo
-echo "\033[36;1mNOTICE \033[37;1m**\033[0m Updating README.md with latest tag (\033[1m${tag_prev}\033[0m => \033[1m${tag_curr}\033[0m)"
-echo "          The change will be staged for commit..."
-echo
-
-sed -i "s/${tag_prev}/${tag_curr}/g" README.md