CMake: Simplify CMakeProcess::finished signature

The parameters were never used, and start to look alien in the
presence of QtcProcess::result().

Change-Id: Ie2d6a051b439b5e9161d565b84efb78dbe17487f
Reviewed-by: Cristian Adam <cristian.adam@qt.io>

src/plugins/cmakeprojectmanager/cmakeprocess.cpp

@@ -214,7 +214,7 @@ void CMakeProcess::handleProcessFinished(int code, QProcess::ExitStatus status)
 
     m_future->reportFinished();
 
-    emit finished(code, status);
+    emit finished();
 
     const QString elapsedTime = Utils::formatElapsedTime(m_elapsed.elapsed());
     BuildSystem::appendBuildSystemOutput(elapsedTime);