[conda] Remove all js files

conda/js/.babelrc

conda/js/.eslintrc.js

conda/js/.flowconfig

conda/js/.postcssrc

conda/js/.stylelintrc

conda/js/.tern-project

conda/js/index.html

conda/js/karma.conf.js

conda/js/main.css

conda/js/main.jsx

conda/js/package-lock.json

conda/js/package.json

conda/js/src/components/App.jsx

conda/js/src/components/CacheInput.jsx

conda/js/src/components/CacheInput.spec.jsx

conda/js/src/components/DeleteInputBtn.jsx

conda/js/src/components/DeleteInputBtn.spec.jsx

conda/js/src/components/EntityDetail.jsx

conda/js/src/components/EntityHome.jsx

conda/js/src/components/EntityList.jsx