chore: remove ec2-push-script.sh and add to .gitignore

.gitignore

@@ -40,4 +40,5 @@ yarn-error.log*
 *.tsbuildinfo
 next-env.d.ts
 push-via-ec2.sh
+ec2-push-script.sh
 .claude/settings.local.json

ec2-push-script.sh

@@ -1,44 +0,0 @@
-#!/bin/bash
-set -e
-
-BRANCH_NAME="$1"
-
-cd /tmp/next-ai-draw-io
-
-# Configure git
-git config user.name "DayuanJiang"
-git config user.email "jdy.toh@gmail.com"
-
-echo "=== Current git status ==="
-git status
-
-echo "=== Checking out branch: ${BRANCH_NAME} ==="
-git checkout ${BRANCH_NAME} || git checkout -b ${BRANCH_NAME}
-
-echo "=== Setting remote URL to use SSH ==="
-git remote set-url origin git@github.com:DayuanJiang/next-ai-draw-io.git
-
-echo "=== Remote URL configured ==="
-git remote -v
-
-# Commit any local changes if needed
-git add -A || true
-git diff --cached --quiet || git commit -m "Auto-commit before push" || true
-
-echo "=== Adding GitHub to known hosts ==="
-ssh-keyscan -H github.com >> ~/.ssh/known_hosts 2>/dev/null || true
-
-echo "=== Testing SSH connection to GitHub ==="
-ssh -T git@github.com 2>&1 || true
-
-echo "=== Pushing branch ${BRANCH_NAME} to GitHub ==="
-git push -u origin ${BRANCH_NAME}
-
-echo "=== Push successful! ==="
-
-# Clean up
-echo "=== Cleaning up ==="
-cd /tmp
-rm -rf next-ai-draw-io
-
-echo "Done!"