remove wagtail and admin website, remove edit option, from hitung ayam, add create flock to settings

backend/requirements.txt

@@ -1,5 +1,4 @@
 Django>=5.1,<5.3
-wagtail>=6.3,<7.0
 djangorestframework>=3.15,<4.0
 drf-spectacular>=0.27,<1.0
 django-cors-headers>=4.4,<5.0
@@ -7,5 +6,4 @@ python-dotenv>=1.0,<2.0
 gunicorn>=23.0,<24.0
 psycopg[binary]>=3.2,<4.0
 httpx>=0.27,<1.0
-Pillow>=10.0,<12.0
 openpyxl>=3.1,<4.0