Remove any existing gogs install

src/freedombone-app-gogs

     if [ ! -d $INSTALL_DIR/gogs ]; then
         exit 37823
     fi
+    rm -rf /home/$GOGS_USERNAME/*
     cp -r $INSTALL_DIR/gogs/* /home/$GOGS_USERNAME
     if [ -f ${GOGS_FILE} ]; then
         rm ${GOGS_FILE}
     if [ ! -d $INSTALL_DIR/gogs ]; then
         exit 37823
     fi
+    rm -rf /home/$GOGS_USERNAME/*
     cp -r $INSTALL_DIR/gogs/* /home/$GOGS_USERNAME
     if [ -f ${GOGS_FILE} ]; then
         rm ${GOGS_FILE}