* replace 020-fix-ss-path.patch with an upstream patch 020-remove-which-dep.patch
* remove 030-remove-pynotify2-dep.patch and do not install aa-notify
* simplify 060-openwrt-dnsmasq-profile.patch
* add two upstream patches for Python 3.10 compatibility
* add an upstream patch to move from deprecated distutils which broke
  the build with Python 3.10+

Signed-off-by: Michal Vasilek <michal.vasilek@nic.cz>