[rubygems/rubygems] Remove `travis_removal_info`

`travis_removal_info` is added by https://github.com/rubygems/rubygems/pull/6150. According to the comment, it's supposed to be removed at bundler v2.5.0 but it hasn't.

https://github.com/rubygems/rubygems/commit/e18797d43f

1 files changed, 0 insertions, 30 deletions

diff --git a/spec/bundler/commands/newgem_spec.rb b/spec/bundler/commands/newgem_spec.rb
index 7aafc0e49b..199340b131 100644
--- a/spec/bundler/commands/newgem_spec.rb
+++ b/spec/bundler/commands/newgem_spec.rb
@@ -932,24 +932,6 @@ RSpec.describe "bundle gem" do
       end
     end
 
-    context "--ci set to travis" do
-      it "generates a GitHub Actions config file" do
-        bundle "gem #{gem_name} --ci=travis", raise_on_error: false
-        expect(err).to include("Support for Travis CI was removed from gem skeleton generator.")
-
-        expect(bundled_app("#{gem_name}/.travis.yml")).to_not exist
-      end
-    end
-
-    context "--ci set to travis" do
-      it "generates a GitHub Actions config file" do
-        bundle "gem #{gem_name} --ci=travis", raise_on_error: false
-        expect(err).to include("Support for Travis CI was removed from gem skeleton generator.")
-
-        expect(bundled_app("#{gem_name}/.travis.yml")).to_not exist
-      end
-    end
-
     context "--ci set to github" do
       it "generates a GitHub Actions config file" do
         bundle "gem #{gem_name} --ci=github"
@@ -1000,18 +982,6 @@ RSpec.describe "bundle gem" do
       end
     end
 
-    context "gem.ci setting set to travis" do
-      it "errors with friendly message" do
-        bundle "config set gem.ci travis"
-        bundle "gem #{gem_name}", raise_on_error: false
-
-        expect(err).to include("Support for Travis CI was removed from gem skeleton generator,")
-        expect(err).to include("bundle config unset gem.ci")
-
-        expect(bundled_app("#{gem_name}/.travis.yml")).to_not exist
-      end
-    end
-
     context "gem.ci setting set to github" do
       it "generates a GitHub Actions config file" do
         bundle "config set gem.ci github"