Analyzer: Merge duplicated display name members

ProjectExplorer::RunControl::m_displayName exists, no need to
shadow it with Analyzer::AnalyzerRunControl::m_displayName

Change-Id: Iccbae658ca49c3fa2965a34a1bdf7c4a3bbd4073
Reviewed-by: Christian Stenger <christian.stenger@theqtcompany.com>

src/plugins/projectexplorer/runconfiguration.cpp

@@ -556,6 +556,11 @@ QString RunControl::displayName() const
     return m_displayName;
 }
 
+void RunControl::setDisplayName(const QString &displayName)
+{
+    m_displayName = displayName;
+}
+
 void RunControl::setIcon(const Utils::Icon &icon)
 {
     m_icon = icon;