qbs: Remove unnecessary depends

Change-Id: I124eec5eb9c0eadd7b883725f3aaedaceadcab0a
Reviewed-by: Christian Kandeler <christian.kandeler@digia.com>

src/plugins/qt4projectmanager/qt4projectmanager.qbs

@@ -10,9 +10,7 @@ QtcPlugin {
     Depends { name: "ProjectExplorer" }
     Depends { name: "QtSupport" }
     Depends { name: "CppTools" }
-    Depends { name: "Debugger" }
     Depends { name: "QmlJS" }
-    Depends { name: "CPlusPlus" }
     Depends { name: "TextEditor" }
     Depends { name: "QmlJSTools" }