some bugs fixed about shortcut icons

install_functions.sh

@@ -774,13 +774,6 @@ SUBSYSTEM==\"usb\", ATTR{idVendor}==\"19d2\", MODE=\"0666\", OWNER=\""$myHomedir
 
   runCmd "sudo service udev restart" \
          "restarting UDEV service"
-
-  createAppShortcut "/home/"$myHomedir"/tools/Android/Sdk/tools/android" \
-                    "/home/"$myHomedir"/.icons/android.png" \
-                    "GNOME;GTK;Development;IDE" \
-                    "Android SDK" \
-                    "local" \
-  update-menus
 }
 
 #

repo_functions.sh

@@ -1215,7 +1215,7 @@ function qt_TrtFct () {
          "set QT5 as default"
 
   createAppShortcut "/usr/bin/designer" \
-                    "/home/"$myHomedir"/.icons/qtdesigner.png" \
+                    "" \
                     "GNOME;GTK;Development;IDE" \
                     "QT Designer 5" \
                     "local" \
@@ -1243,7 +1243,7 @@ function nitrogen_TrtFct () {
            "disabling Caja desktop icons management"
 
     createAppShortcut "bash -c \"sleep 10; nitrogen --restore\"" \
-                      "/home/"$myHomedir".icons/franz.png" \
+                      "/usr/share/icons/hicolor/48x48/apps/nitrogen.png" \
                       "Network;InstantMessaging" \
                       "Nitrogen" \
                       "local" \