fix: 캐시 옵션 제거 (#165)

Author: soonduck-dreams

.github/workflows/deploy-to-dev-ec2.yml

@@ -57,8 +57,6 @@ jobs:
           push: true
           tags: ${{ steps.meta.outputs.tags }}
           labels: ${{ steps.meta.outputs.labels }}
-          cache-from: type=registry,ref=${{ env.IMAGE_REPO }}:buildcache
-          cache-to: type=registry,ref=${{ env.IMAGE_REPO }}:buildcache,mode=max
 
       - name: ✅ Verify image exists in GHCR
         run: |