Fix linting warnings (firefox-devtools#4030)

Author: darkwing

src/components/App.js

@@ -249,11 +249,9 @@ class App extends Component {
   render() {
     return (
       <div className="debugger">
-        {this.state.horizontal ? (
-          this.renderHorizontalLayout()
-        ) : (
-          this.renderVerticalLayout()
-        )}
+        {this.state.horizontal
+          ? this.renderHorizontalLayout()
+          : this.renderVerticalLayout()}
         {this.renderSymbolModal()}
       </div>
     );

src/components/PrimaryPanes/Outline.js

@@ -75,11 +75,9 @@ export class Outline extends Component {
 
     return (
       <div className={classnames("outline", { hidden: isHidden })}>
-        {symbolsToDisplay.length > 0 ? (
-          this.renderFunctions(symbolsToDisplay)
-        ) : (
-          this.renderPlaceholder()
-        )}
+        {symbolsToDisplay.length > 0
+          ? this.renderFunctions(symbolsToDisplay)
+          : this.renderPlaceholder()}
       </div>
     );
   }

src/components/ProjectSearch/index.js

@@ -155,11 +155,9 @@ class ProjectSearch extends Component {
 
     return (
       <div className="search-container">
-        {this.isProjectSearchEnabled() ? (
-          this.renderTextSearch()
-        ) : (
-          this.renderSourceSearch()
-        )}
+        {this.isProjectSearchEnabled()
+          ? this.renderTextSearch()
+          : this.renderSourceSearch()}
       </div>
     );
   }

src/components/SecondaryPanes/Scopes.js

@@ -71,11 +71,9 @@ class Scopes extends PureComponent {
     return (
       <div className="pane scopes-list">
         <div className="pane-info">
-          {pauseInfo ? (
-            L10N.getStr("scopes.notAvailable")
-          ) : (
-            L10N.getStr("scopes.notPaused")
-          )}
+          {pauseInfo
+            ? L10N.getStr("scopes.notAvailable")
+            : L10N.getStr("scopes.notPaused")}
         </div>
       </div>
     );

src/components/SecondaryPanes/Workers.js

@@ -16,11 +16,9 @@ export class Workers extends PureComponent {
     return (
       <div className="pane">
         <div className="pane-info">
-          {workers && workers.length > 0 ? (
-            this.renderWorkers(workers)
-          ) : (
-            this.renderNoWorkersPlaceholder()
-          )}
+          {workers && workers.length > 0
+            ? this.renderWorkers(workers)
+            : this.renderNoWorkersPlaceholder()}
         </div>
       </div>
     );

src/components/SecondaryPanes/index.js

@@ -220,11 +220,9 @@ class SecondaryPanes extends Component {
     return (
       <div className="secondary-panes secondary-panes--sticky-commandbar">
         <CommandBar horizontal={this.props.horizontal} />
-        {this.props.horizontal ? (
-          this.renderHorizontalLayout()
-        ) : (
-          this.renderVerticalLayout()
-        )}
+        {this.props.horizontal
+          ? this.renderHorizontalLayout()
+          : this.renderVerticalLayout()}
       </div>
     );
   }