update release script

script/release

@@ -1,14 +1,6 @@
 #!/bin/sh
 set -euo pipefail
 
-bin/rspec spec
-BUNDLE_GEMFILE=environments/Gemfile.non-rails.rb bin/rspec spec-non-rails
-
-changelog() {
-  local previous_tag="$(git describe --tags HEAD^ --abbrev=0)"
-  git log --first-parent --format='* %s%n%w(0,2,2)%+b' --reverse "${previous_tag}..HEAD^" "$@"
-}
-
 eval "$(gem build *.gemspec | awk '/(Name|Version|File): /{print tolower($1) $2}' | sed 's/:/=/')"
 
 git commit -m "${name} ${version}" -- lib/will_paginate/version.rb
@@ -18,7 +10,4 @@ git push origin HEAD "v${version}"
 gem push "$file"
 rm -rf "$file"
 
-{ echo "${name} ${version}"
-  echo
-  changelog -- lib
-} | hub release create -F- --edit "v${version}"
+gh release create "v${version}" --title "${name} ${version}" --generate-notes