remove Alembic, too confusing

requirements.txt

@@ -2,34 +2,31 @@ Flask==0.10.1
 Flask-DebugToolbar==0.10.0
 Flask-Login==0.2.11
 Flask-Micropub==0.2.2
-Flask-Migrate==1.3.1
 Flask-SQLAlchemy==2.0
-Flask-Script==2.0.5
+
 Jinja2==2.7.3
 MarkupSafe==0.23
 SQLAlchemy==1.0.0
 Werkzeug==0.10.4
-alembic==0.7.6
+
 asyncio-redis==0.13.4
 beautifulsoup4==4.3.2
 bleach==1.4.1
-blinker==1.3
-cffi==0.9.2
-click==4.0
-cryptography==0.8.2
+
 feedparser>=5.2.0
 html5lib==0.99999
-itsdangerous==0.24
+
 mf2py==0.2.6
 mf2util==0.1.9
 psycopg2==2.6
+
 pyOpenSSL==0.15.1
 pyasn1==0.1.7
-pycparser==2.10
+
 redis==2.10.3
 requests==2.7.0
+
 rq==0.5.2
-six==1.9.0
+
 uWSGI==2.0.10
 websockets==2.4
-sgmllib3k==1.0.0