Merge branch 'maint-3.0' into maint-3.1

rhenium · rhenium · commit 6df9caf5abc1 · 2024-06-13T19:34:48.000+09:00
* maint-3.0:
  Remove "gemspec" from Gemfile
diff --git a/Gemfile b/Gemfile
@@ -1,7 +1,5 @@
 source "https://rubygems.org"
 
-gemspec
-
 group :development do
   gem "rake"
   gem "rake-compiler"
