Removed unnencessary dockerfile commands

.travis.yml

@@ -18,6 +18,6 @@ before_install:
 
 install:
   - docker-compose up --build -d
-  - sleep 30
+  - sleep 40
 
 script: docker-compose exec webapp python manage.py test

Dockerfile

@@ -10,13 +10,8 @@ WORKDIR /webodm
 
 # Install pip reqs
 ADD requirements.txt /webodm/
-RUN pip install --upgrade git+https://github.com/pierotofy/django-knockout
 RUN pip install -r requirements.txt
 
-# swagger_spec_validator is not up to date, fetch directly from github
-# also install django-knockout
-RUN pip install --upgrade git+https://github.com/Yelp/swagger_spec_validator
-
 ADD . /webodm/
 
 RUN git submodule init