fix: Remove feat/be/** from deploy workflow branches

Author: JIWONKIMS

.github/workflows/deploy.yml

@@ -24,7 +24,6 @@ on:
       - "Dockerfile"
     branches:
       - main
-      - feat/be/**
 permissions:
   contents: write # 태그/릴리즈
   packages: write # GHCR 푸시