CMake: Remove CMakeBuildConfiguration::project() overload

The base version is good enough nowadays.

Change-Id: I2e2ca690a29f9b877309ca98038d211d5c678fbd
Reviewed-by: Christian Kandeler <christian.kandeler@qt.io>

src/plugins/cmakeprojectmanager/cmakebuildconfiguration.cpp

@@ -31,8 +31,6 @@
 #include "cmakekitinformation.h"
 #include "cmakeprojectconstants.h"
 #include "cmakebuildsettingswidget.h"
-#include "cmakeprojectmanager.h"
-#include "cmakeprojectnodes.h"
 
 #include <android/androidconstants.h>
 
@@ -546,11 +544,6 @@ ProjectExplorer::BuildConfiguration::BuildType CMakeBuildConfiguration::buildTyp
     return CMakeBuildConfigurationFactory::cmakeBuildTypeToBuildType(cmakeBuildType);
 }
 
-CMakeProject *CMakeBuildConfiguration::project() const
-{
-    return qobject_cast<CMakeProject *>(BuildConfiguration::project());
-}
-
 BuildSystem *CMakeBuildConfiguration::buildSystem() const
 {
     return m_buildSystem;

src/plugins/cmakeprojectmanager/cmakebuildconfiguration.h

@@ -59,8 +59,6 @@ public:
     QString error() const;
     QString warning() const;
 
-    CMakeProject *project() const;
-
     static Utils::FilePath
     shadowBuildDirectory(const Utils::FilePath &projectFilePath, const ProjectExplorer::Kit *k,
                          const QString &bcName, BuildConfiguration::BuildType buildType);