Clear screen before add or remove app

src/freedombone-addremove

@@ -122,6 +122,8 @@ function remove_apps_interactive {
         255) return;;
     esac
 
+    clear
+
     # remove the apps
     read_configuration
     remove_apps
@@ -163,6 +165,8 @@ function install_apps_interactive {
         255) return;;
     esac
 
+    clear
+
     # install the apps
     read_configuration
     install_apps interactive