install: only upgrade setuptools for venv

Author: 3np

install.sh

@@ -602,8 +602,6 @@ main ()
         fi
         # shellcheck source=/dev/null
         source "${jm_root}/bin/activate"
-    else
-        upgrade_setuptools
     fi
     if [[ ${build_local_tor} == "1" ]]; then
         if ! tor_deps_install; then