Partially decouple local CMakeRunConfiguration from CMakeProject

Funnel all relevant data through target.applicationTargets() as
done for the non-local CMake-supporting setups and QBS already.

There is cleanup potential left for later changes.

Change-Id: I49ed6abd98c058a7fd1545e41b3bcd6ecb758a8b
Task-number: QTCREATORBUG-19985
Reviewed-by: Tobias Hunger <tobias.hunger@qt.io>

src/plugins/cmakeprojectmanager/cmakeproject.h

@@ -63,10 +63,7 @@ public:
     explicit CMakeProject(const Utils::FileName &filename);
     ~CMakeProject() final;
 
-    QStringList buildTargetTitles(bool runnable = false) const;
-    bool hasBuildTarget(const QString &title) const;
-
-    CMakeBuildTarget buildTargetForTitle(const QString &title);
+    QStringList buildTargetTitles() const;
 
     bool knowsAllBuildExecutables() const final;