Remove useless %U arguments from desktop actions.

These aren't going to be substituted in desktop actions anyway, because
desktop actions are supposed to be chosen from a menu, not being dragged to.

packages/linux_make/pd-l2ork-debug.desktop

@@ -11,12 +11,12 @@ MimeType=application/x-puredata;
 
 [Desktop Action ALSA]
 Name=ALSA
-Exec=/bin/sh -c "pd-l2ork -rt -alsa -audiobuf 20 -d 3 %U"
+Exec=/bin/sh -c "pd-l2ork -rt -alsa -audiobuf 20 -d 3"
 TargetEnvironment=Unity
 
 [Desktop Action JACK]
 Name=JACK
-Exec=/bin/sh -c "pd-l2ork -rt -jack -audiobuf 20 -d 3 %U"
+Exec=/bin/sh -c "pd-l2ork -rt -jack -audiobuf 20 -d 3"
 TargetEnvironment=Unity
 
 [Desktop Action ForceQuit]

packages/linux_make/pd-l2ork-k12-debug.desktop

@@ -11,12 +11,12 @@ MimeType=application/x-puredata;
 
 [Desktop Action ALSA]
 Name=ALSA
-Exec=/bin/sh -c "pd-l2ork -k12 -noautopatch -rt -alsa -audiobuf 20 -d 3 %U"
+Exec=/bin/sh -c "pd-l2ork -k12 -noautopatch -rt -alsa -audiobuf 20 -d 3"
 TargetEnvironment=Unity
 
 [Desktop Action JACK]
 Name=JACK
-Exec=/bin/sh -c "pd-l2ork -k12 -noautopatch -rt -jack -audiobuf 20 -d 3 %U"
+Exec=/bin/sh -c "pd-l2ork -k12 -noautopatch -rt -jack -audiobuf 20 -d 3"
 TargetEnvironment=Unity
 
 [Desktop Action ForceQuit]

packages/linux_make/pd-l2ork-k12.desktop

@@ -11,12 +11,12 @@ MimeType=application/x-puredata;
 
 [Desktop Action ALSA]
 Name=ALSA
-Exec=/bin/sh -c "pd-l2ork -k12 -noautopatch -rt -alsa -audiobuf 20 %U"
+Exec=/bin/sh -c "pd-l2ork -k12 -noautopatch -rt -alsa -audiobuf 20"
 TargetEnvironment=Unity
 
 [Desktop Action JACK]
 Name=JACK
-Exec=/bin/sh -c "pd-l2ork -k12 -noautopatch -rt -jack -audiobuf 20 %U"
+Exec=/bin/sh -c "pd-l2ork -k12 -noautopatch -rt -jack -audiobuf 20"
 TargetEnvironment=Unity
 
 [Desktop Action ForceQuit]

packages/linux_make/pd-l2ork.desktop

@@ -11,12 +11,12 @@ MimeType=application/x-puredata;
 
 [Desktop Action ALSA]
 Name=ALSA
-Exec=/bin/sh -c "pd-l2ork -rt -alsa -audiobuf 20 %U"
+Exec=/bin/sh -c "pd-l2ork -rt -alsa -audiobuf 20"
 TargetEnvironment=Unity
 
 [Desktop Action JACK]
 Name=JACK
-Exec=/bin/sh -c "pd-l2ork -rt -jack -audiobuf 20 %U"
+Exec=/bin/sh -c "pd-l2ork -rt -jack -audiobuf 20"
 TargetEnvironment=Unity
 
 [Desktop Action ForceQuit]