ProjectExplorer: Remove HasSubProjectRunConfigurations enum value

Change-Id: I93cfecdcc898a80b3c75744d039b9eae19610514
Reviewed-by: Christian Kandeler <christian.kandeler@qt.io>

src/plugins/projectexplorer/projectnodes.h

@@ -90,7 +90,6 @@ enum ProjectAction {
     HidePathActions,
     HideFileActions,
     HideFolderActions,
-    HasSubProjectRunConfigurations
 };
 
 class FileNode;

src/plugins/qmakeprojectmanager/qmakenodes.cpp

@@ -139,14 +139,6 @@ bool QmakePriFileNode::supportsAction(ProjectAction action, const Node *node) co
         break;
     }
 
-    if (action == HasSubProjectRunConfigurations) {
-        if (Target *t = m_project->activeTarget())  {
-            auto canRunForNode = [node](RunConfiguration *rc) { return rc->canRunForNode(node); };
-            if (Utils::anyOf(t->runConfigurations(), canRunForNode))
-                return true;
-        }
-    }
-
     return false;
 }