removed old ethereum.js

cmd/mist/assets/ext/ethereum.js/.bowerrc

cmd/mist/assets/ext/ethereum.js/.editorconfig

cmd/mist/assets/ext/ethereum.js/.gitignore

cmd/mist/assets/ext/ethereum.js/.jshintrc

cmd/mist/assets/ext/ethereum.js/.npmignore

cmd/mist/assets/ext/ethereum.js/.travis.yml

cmd/mist/assets/ext/ethereum.js/LICENSE

cmd/mist/assets/ext/ethereum.js/README.md

cmd/mist/assets/ext/ethereum.js/bower.json

cmd/mist/assets/ext/ethereum.js/dist/ethereum.js

cmd/mist/assets/ext/ethereum.js/dist/ethereum.js.map

cmd/mist/assets/ext/ethereum.js/dist/ethereum.min.js

cmd/mist/assets/ext/ethereum.js/example/balance.html

cmd/mist/assets/ext/ethereum.js/example/contract.html

cmd/mist/assets/ext/ethereum.js/example/node-app.js

cmd/mist/assets/ext/ethereum.js/gulpfile.js

cmd/mist/assets/ext/ethereum.js/index.js

cmd/mist/assets/ext/ethereum.js/lib/abi.js

cmd/mist/assets/ext/ethereum.js/lib/autoprovider.js

cmd/mist/assets/ext/ethereum.js/lib/contract.js