Android/iOS: Don't add markup to display names of build steps

The display name is continuously read and written from/to settings.
Let's not add markup each occurrence, it accumulates.

BuildStep::summaryText has the logic to add the markup for the UI.

Change-Id: Ifbb74ccb8d2f0adcebbd69cc012a5b1376154934
Reviewed-by: Eike Ziller <eike.ziller@qt.io>
Reviewed-by: hjk <hjk@qt.io>

src/plugins/ios/iosdeploystep.cpp

@@ -235,8 +235,6 @@ QWidget *IosDeployStep::createConfigWidget()
     auto widget = new QWidget;
 
     widget->setObjectName("IosDeployStepWidget");
-    setDisplayName(QString("<b>%1</b>").arg(displayName()));
-    setSummaryText(displayName());
 
     connect(this, &ProjectConfiguration::displayNameChanged,
             this, &BuildStep::updateSummary);