Removed unnecessary packages from requirements.txt

requirements.txt

-alembic==0.9.9
-autopep8==1.4.4
-Babel==2.6.0
-click==6.7
-cycler==0.10.0
-decorator==4.4.0
-dnspython==1.16.0
-dominate==2.3.1
 Flask==1.0.2
 Flask-Babel==0.12.2
 Flask-Bootstrap==3.3.7.1
@@ -20,37 +12,16 @@ Flask-WTF==0.14.2
 gevent==1.4.0
 greenlet==0.4.15
 gunicorn==19.9.0
-itsdangerous==0.24
-Jinja2==2.10
-kiwisolver==1.0.1
-lml==0.0.4
-Mako==1.0.7
-MarkupSafe==1.0
 matplotlib==3.0.3
-monotonic==1.5
 mysql-connector==2.2.9
 networkx==2.2
 numpy==1.16.2
-Pillow==6.0.0
-ply==3.11
-pycodestyle==2.5.0
-pyexcel==0.5.9.1
-pyexcel-io==0.5.9.1
 PyMySQL==0.9.3
-pyparsing==2.3.1
-python-dateutil==2.7.3
-python-editor==1.0.3
 python-engineio==3.5.1
 python-socketio==3.1.2
-pytz==2018.7
-rope==0.12.0
 scipy==1.2.1
-six==1.11.0
-smop==0.41
 SQLAlchemy==1.2.8
-texttable==1.5.0
 uuid==1.30
-visitor==0.1.3
 Werkzeug==0.14.1
 WTForms==2.2.1
 WTForms-SQLAlchemy==0.1
\ No newline at end of file