fix spurious parenthesis

Signed-off-by: Jon Harper <[email protected]>

Author: jonenst

src/components/app.js

@@ -99,7 +99,7 @@ const App = () => {
                     { user !== null ? (
                         <Switch>
                             <Route exact path="/">
-                                  <StudyManager onStudyClick={name => studyClickHandler(name)}/>)
+                                  <StudyManager onStudyClick={name => studyClickHandler(name)}/>
                             </Route>
                             <Route exact path="/studies/:studyName">
                                <StudyPane/>