prepare for symclone.

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

_home/private_dot_config/sz.env/zza_starship.env

@@ -1,13 +0,0 @@
-#!/usr/bin/env -S bash -c 'echo "Not a user script. source(aka .) only"'
-
-if is_cmd load-starship; then
-    . <( load-starship - )
-    [[ -n "${DBG}" ]] && echo "starship loaded."
-elif [[ -n "${DBG}" ]]; then
-    >&2 printf '%s\n' \
-        'starship is not installed, you can install by running:' \
-        '\tcurl -sS https://starship.rs/install.sh | FORCE=1 BIN_DIR=$HOME/bin sh > /dev/null' \
-        ''
-
-fi
-