Remove front-end check for duplicate answer

Prep for refactoring of processAnswer Cloud Function, which currently doesn't work if vocab item has same cleansed answer twice

src/Progress.js

@@ -320,7 +320,6 @@ export default withRouter(class Progress extends React.Component {
 	
 			this.startLoading();
 	
-			if (!cleansedCurrentCorrect.includes(this.cleanseVocabString(this.state.answerInput))) {
 			this.state.functions.processAnswer({
 				answer: this.state.answerInput,
 				progressId: this.props.match.params.progressId,
@@ -476,15 +475,6 @@ export default withRouter(class Progress extends React.Component {
 					canProceed: true,
 				});
 			});
-			} else {
-				this.setState({
-					currentAnswerStatus: null,
-					answerInput: "",
-					loading: false,
-					canProceed: true,
-					typo: false,
-				});
-			}
 		}
 	}