Updates .jshintrc, Removes duplicate entry for indent
Updates .jshintrc, Removes duplicate entry for indent

In reference to the issue #1830
mozilla/thimble.mozilla.org,humphd/thimble.mozilla.org,mozilla/thimble.mozilla.org,mozilla/thimble.mozilla.org,humphd/thimble.mozilla.org,humphd/thimble.mozilla.org,humphd/thimble.mozilla.org,mozilla/thimble.mozilla.org