fix: revert changes

scripts/install

@@ -15,12 +15,10 @@ source /usr/share/yunohost/helpers
 ynh_script_progression --message="Setting up source files..." --weight=7
 
 # Download, check integrity, uncompress and patch the source from app.src
-install_dir="${install_dir}/../"
 ynh_setup_source --dest_dir="$install_dir"
 
 chmod -R o-rwx "$install_dir"
 chown -R $app:www-data "$install_dir"
-# mkdir "$install_dir/storage"
 chmod -R 770 "$install_dir/storage"
 
 #=================================================