Remove original emoji after conversion

src/freedombone-app-pleroma

@@ -450,6 +450,10 @@ function pleroma_add_emoji {
                    --msgbox $"Unable to convert empji image to png format" 6 60
             return
         fi
+
+        # remove the original
+        rm $image_filename
+
         image_extension='png'
         image_filename=$PLEROMA_DIR/custom_emoji/${shortcode}.${image_extension}
     fi