Revert "Add RequireJS and RequireJS Optimizer configuration to the LMS"

cms/envs/common.py

cms/envs/devstack.py

cms/lib/django_require/__init__.py

cms/lib/django_require/staticstorage.py

cms/static/build.js

cms/static/require-config.js

cms/templates/base.html

common/djangoapps/pipeline_mako/__init__.py

...on/djangoapps/pipeline_mako/templates/static_content.html

common/djangoapps/pipeline_mako/tests/test_render.py

common/lib/django_require/__init__.py

common/static/js/vendor/text.js

lms/envs/common.py

lms/envs/devstack.py

lms/static/build-lms.js

lms/static/js_test.yml

lms/static/require-config-lms.js

lms/templates/main.html

lms/templates/navigation-edx.html

lms/templates/navigation.html