retira django-bootstrap3 do projeto sapl

requirements/requirements.txt

@@ -1,5 +1,4 @@
 django>=1.11,<2.0
-django-bootstrap3==11.0.0
 django-haystack==2.8.1
 django-filter==2.0.0
 djangorestframework==3.9.0

sapl/settings.py

@@ -78,7 +78,6 @@ INSTALLED_APPS = (
     'django_extensions',
 
     'djangobower',
-    'bootstrap3',
     'crispy_forms',
     'floppyforms',
     'sass_processor',

setup.py

@@ -10,7 +10,6 @@ os.chdir(os.path.normpath(os.path.join(os.path.abspath(__file__), os.pardir)))
 
 install_requires = [
     'django>=1.11,<2.0',
-    'django-bootstrap3==11.0.0',
     'django-haystack==2.8.1',
     'django-filter==2.0.0',
     'djangorestframework==3.9.0',