Fixed lint issues

Author: fayyazarshad

packages/optimizely-sdk/lib/utils/fns/index.js

@@ -14,7 +14,6 @@
  * limitations under the License.
  */
 var uuid = require('uuid');
-var _isFinite = require('lodash/isFinite');
 var MAX_NUMBER_LIMIT = Math.pow(2, 53);
 
 module.exports = {