prepare for symclone.

From now on, _src.posix will be the single source of truth.
And _home(.*) will symlink into it.

_home/private_dot_local/bin/executable_update-atuin

@@ -1,32 +0,0 @@
-#! /usr/bin/env bash
-
-set -e
-
-BASE_0=${BASE_0:-$0}
-BASE_SHELL=$(basename "$SHELL")
-
-#! /usr/bin/env bash
-
-_update-atuin() { (
-    set -e
-
-    local LatestURL="$(
-        get-github-release.sh \
-            atuinsh/atuin \
-            latest atuin-x86_64-unknown-linux-musl.tar.gz \
-            | grep -E 'tar\.gz$'
-    )"
-    local dlPath="$(mktemp --directory --suffix atuin)"
-    local appPath="$HOME/.local/bin"
-    printf 'Downloading from %s... ' "${LatestURL#*/download/}"
-    curl -sLO --output-dir "$dlPath" "$LatestURL" && printf 'Done'
-    printf '\n'
-    ( cd "$dlPath"; curl -sL "$LatestURL.sha256" | sha256sum --check )
-    ( cd "$appPath"; tar zxf "$dlPath"/*.tar.gz --strip-components=1 --no-anchored 'atuin' )
-    rm -R "$dlPath"
-
-    printf '%s\n' \
-        'atuin binary installed, please restart you shell'
-); }
-
-_update-atuin "${@}"