chore(deploy): remove dead deploy-role.sh

The script composes from roles/$ROLE/compose/docker-compose.yml, but no
roles/ directory exists anywhere in the repo (recon B7) and nothing
references the script. Dead since the roles concept was abandoned.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

scripts/deploy/deploy-role.sh

@@ -1,21 +0,0 @@
-#!/usr/bin/env bash
-
-set -e
-
-ROLE=$1
-HOST=$2
-
-if [ -z "$ROLE" ] || [ -z "$HOST" ]; then
-    echo "Usage:"
-    echo "./deploy-role.sh <role> <host>"
-    exit 1
-fi
-
-echo "Deploying role: $ROLE to host: $HOST"
-
-ssh $HOST "
-    mkdir -p ~/homelab-codex-ws &&
-    cd ~/homelab-codex-ws &&
-    git pull &&
-    docker compose -f roles/$ROLE/compose/docker-compose.yml up -d
-"