removed logger from optimizelyUsercontext class

Author: NomanShoaib

packages/optimizely-sdk/lib/optimizely_user_context/index.ts

@@ -13,8 +13,6 @@
  * See the License for the specific language governing permissions and      *
  * limitations under the License.                                           *
  ***************************************************************************/
-import { getLogger } from '@optimizely/js-sdk-logging';
-
 import Optimizely from '../../lib/optimizely';
 import {
   DecisionResponse,
@@ -32,8 +30,6 @@ import {
 } from '../core/project_config';
 import { LOG_MESSAGES, CONTROL_ATTRIBUTES } from '../utils/enums';
 
-const logger = getLogger();
-
 export default class OptimizelyUserContext {
   private optimizely: Optimizely;
   private userId: string;