fixes process not killed on remove

When removing git-backup using the installer, there are still some processes left running in the background.
To ensure a clean removal, and prevent problems on reinstallation, these processes should be killed on removal.

scripts/git_backup.sh

@@ -60,6 +60,8 @@ function remove_git_backup(){
     case "${yn}" in
       Y|y)
         echo -e "${white}"
+        echo -e "Info: Stopping processes..."
+        pkill git-backup.sh
         echo -e "Info: Removing files..."
         rm -f "$HS_CONFIG_FOLDER"/git-backup.cfg
         rm -f "INITD_FOLDER"/S52Git-Backup