drop unused patch

kwin-sm_discard.patch

@@ -1,49 +0,0 @@
-On branch topic-session-save
-Changes to be committed:
-  (use "git reset HEAD <file>..." to unstage)
-
-	modified:   sm.cpp
-
-diff --git a/sm.cpp b/sm.cpp
-index 2098b7f..05a5d77 100644
---- a/sm.cpp
-+++ b/sm.cpp
-@@ -30,6 +30,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
- #include "workspace.h"
- #include "client.h"
- #include <QDebug>
-+#include <QFile>
- #include <QSocketNotifier>
- #include <QSessionManager>
- 
-@@ -64,18 +65,30 @@ void Workspace::saveState(QSessionManager &sm)
-     // too late, as possible user interaction may change some things.
-     // Phase2 is still needed though (ICCCM 5.2)
-     KConfig *config = sessionConfig(sm.sessionId(), sm.sessionKey());
-+
-     if (!sm.isPhase2()) {
-         KConfigGroup cg(config, "Session");
-         cg.writeEntry("AllowsInteraction", sm.allowsInteraction());
-         sessionSaveStarted();
-         if (gs_sessionManagerIsKSMServer)   // save stacking order etc. before "save file?" etc. dialogs change it
-             storeSession(config, SMSavePhase0);
-+        // don't save it to disk
-+        config->markAsClean();
-         sm.release(); // Qt doesn't automatically release in this case (bug?)
-         sm.requestPhase2();
-         return;
-     }
-     storeSession(config, gs_sessionManagerIsKSMServer ? SMSavePhase2 : SMSavePhase2Full);
-     config->sync();
-+
-+    // generate discard command for new file
-+    QString localFilePath = QStandardPaths::writableLocation(QStandardPaths::GenericConfigLocation) + QLatin1Char('/') + config->name();
-+    if (QFile::exists(localFilePath)) {
-+      QStringList discard;
-+      discard << QLatin1String("rm");
-+      discard << localFilePath;
-+      sm.setDiscardCommand(discard);
-+    }
- }
- 
- // I bet this is broken, just like everywhere else in KDE