Remove browser from git, remove bower.json

Build the dist files (`browser/`) during `npm publish`, don't keep them
in version control.

Drop bower support - we don't need bower for loopback-explorer, plus
bower does not support compiled distributions.

Author: Miroslav Bajtoš

.gitignore

@@ -9,6 +9,7 @@
 **/npm-debug.log
 **/*.orig
 
+browser/
 bower_components/
 coverage/
 .idea/