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/bbb_bash_preexec.env

@@ -1,28 +0,0 @@
-#!/usr/bin/env -S bash -c 'echo "Not a user script. source(aka .) only"'
-
-BASE_SHELL=${BASE_SHELL:-${SHELL##*/}}
-
-if [[ "${BASE_SHELL}" == "bash" ]]; then
-    update-bash-preexec() {
-        local workdir="$SZ_ENV_ROOT/lib/bash-preexec"
-        [ -d "$workdir" ] && rm -fR "$workdir"
-        mkdir -p "$workdir"
-        
-        cd "$workdir"
-    
-        # Pull down our file from GitHub and write it to your home directory as a hidden file.
-        curl https://raw.githubusercontent.com/rcaloras/bash-preexec/master/bash-preexec.sh -o ./bash-preexec.sh
-        # Source our file to bring it into our environment
-        source .bash-preexec.sh
-        
-        source "$workdir/ble-nightly/ble.sh"
-    }
-    
-    # shellcheck disable=SC1091 source=$HOME/.bash-preexec.sh
-    if [[ -f "$SZ_ENV_ROOT/lib/bash-preexec/.bash-preexec.sh" ]]; then
-        SZ_ENV_BASH_LOAD_PREEXEC='. "$SZ_ENV_ROOT/lib/bash-preexec/.bash-preexec.sh"'
-    
-        [[ -n "${DBG}" ]] && echo "Bash-preexec will be loaded."
-    fi
-fi
-