Removed deactivate method from User Settings tabs (#3271)

webapp/components/user_settings/user_settings_display.jsx

@@ -41,12 +41,15 @@ export default class UserSettingsDisplay extends React.Component {
         this.handleFont = this.handleFont.bind(this);
         this.updateSection = this.updateSection.bind(this);
         this.updateState = this.updateState.bind(this);
-        this.deactivate = this.deactivate.bind(this);
         this.createCollapseSection = this.createCollapseSection.bind(this);
 
         this.state = getDisplayStateFromStores();
     }
 
+    componentWillUnmount() {
+        Utils.applyFont(PreferenceStore.get(Preferences.CATEGORY_DISPLAY_SETTINGS, 'selected_font', Constants.DEFAULT_FONT));
+    }
+
     handleSubmit() {
         const userId = UserStore.getCurrentId();
 
@@ -136,10 +139,6 @@ export default class UserSettingsDisplay extends React.Component {
         }
     }
 
-    deactivate() {
-        this.updateState();
-    }
-
     createCollapseSection() {
         if (this.props.activeSection === 'collapse') {
             const collapseFormat = [false, false];