Revert "use Credentials in ServiceJob again"

This reverts commit 99088c6669.

	src/plasma/signing_p.h

src/plasma/private/servicejob_p.h

@@ -19,7 +19,6 @@
 #ifndef SERVICEJOB_P_H
 #define SERVICEJOB_P_H
 
-#include "../remote/credentials.h"
 #include "../servicejob.h"
 
 #include <QString>
@@ -45,7 +44,6 @@ public:
     QString operation;
     QHash<QString, QVariant> parameters;
     QVariant result;
-    Credentials identity;
     bool m_allowAutoStart;
 };
 

src/plasma/remote/credentials.h

@@ -19,7 +19,7 @@
 #ifndef CREDENTIALS_H
 #define CREDENTIALS_H
 
-#include "plasma/plasma.h"
+#include "plasma.h"
 
 #include <QtCore/QObject>
 #include <QtCore/QDataStream>

src/plasma/servicejob.h

@@ -26,7 +26,6 @@
 #include <kservice.h>
 
 #include <plasma/plasma_export.h>
-#include "plasma/remote/credentials.h"
 
 namespace Plasma
 {
@@ -91,11 +90,6 @@ public:
      */
     QHash<QString, QVariant> parameters() const;
 
-    /**
-     * @return the identity of the caller of this operation
-     */
-    Credentials identity() const;
-
     /**
      * Returns the result of the operation
      *
@@ -126,9 +120,6 @@ private:
     Q_PRIVATE_SLOT(d, void preventAutoStart())
 
     ServiceJobPrivate * const d;
-
-    friend class ServiceProvider;
-    friend class RemoteServiceJob;
 };
 
 } // namespace Plasma