ref(live-streaming): remove picker state to remove componentWillReceiveProps

react/features/recording/components/LiveStream/AbstractStreamKeyForm.js

     value: string
 };
 
-/**
- * The state of the component.
- */
-type State = {
-
-    /**
-     * The value entered in the field.
-     */
-    value: string
-}
-
 /**
  * An abstract React Component for entering a key for starting a YouTube live
  * stream.
  *
  * @extends Component
  */
-export default class AbstractStreamKeyForm extends Component<Props, State> {
+export default class AbstractStreamKeyForm extends Component<Props> {
     helpURL: string;
 
     /**
     constructor(props: Props) {
         super(props);
 
-        this.state = {
-            value: props.value
-        };
-
         this.helpURL = (typeof interfaceConfig !== 'undefined'
             && interfaceConfig.LIVE_STREAMING_HELP_LINK)
             || LIVE_STREAMING_HELP_LINK;
         this._onInputChange = this._onInputChange.bind(this);
     }
 
-    /**
-     * Implements {@code Component}'s componentWillReceiveProps.
-     *
-     * @inheritdoc
-     */
-    componentWillReceiveProps(newProps: Props) {
-        this.setState({
-            value: newProps.value
-        });
-    }
-
     _onInputChange: Object => void
 
     /**
     _onInputChange(change) {
         const value = typeof change === 'object' ? change.target.value : change;
 
-        this.setState({
-            value
-        });
         this.props.onChange(value);
     }
 }

react/features/recording/components/LiveStream/native/StreamKeyForm.js

                     onChangeText = { this._onInputChange }
                     placeholder = { t('liveStreaming.enterStreamKey') }
                     style = { styles.streamKeyInput }
-                    value = { this.state.value } />
+                    value = { this.props.value } />
                 <TouchableOpacity
                     onPress = { this._onOpenHelp }
                     style = { styles.streamKeyHelp } >

react/features/recording/components/LiveStream/web/StreamKeyForm.js

                     placeholder = { t('liveStreaming.enterStreamKey') }
                     shouldFitContainer = { true }
                     type = 'text'
-                    value = { this.state.value } />
+                    value = { this.props.value } />
                 { this.helpURL
                     ? <div className = 'form-footer'>
                         <a