Enabled temporary disabled examples of bundler rspec.

These are fails when merging at r59779. But these are
  working now.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@59959 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

spec/bundler/commands/show_spec.rb

@@ -40,7 +40,7 @@ RSpec.describe "bundle show" do
       expect(out).to include(default_bundle_path("gems", "rails-2.3.2").to_s)
     end
 
-    it "prints the path to the running bundler", :ruby_repo do
+    it "prints the path to the running bundler" do
       bundle "show bundler"
       expect(out).to eq(root.to_s)
     end

spec/bundler/install/deploy_spec.rb

@@ -62,7 +62,7 @@ RSpec.describe "install with --deployment or --frozen" do
     expect(exitstatus).to eq(0) if exitstatus
   end
 
-  it "works when you bundle exec bundle", :ruby_repo do
+  it "works when you bundle exec bundle" do
     bundle :install
     bundle "install --deployment"
     bundle "exec bundle check"

spec/bundler/install/gems/compact_index_spec.rb

@@ -613,7 +613,7 @@ The checksum of /versions does not match the checksum provided by the server! So
     end
   end
 
-  context "when ruby is compiled without openssl", :ruby_repo do
+  context "when ruby is compiled without openssl" do
     before do
       # Install a monkeypatch that reproduces the effects of openssl being
       # missing when the fetcher runs, as happens in real life. The reason

spec/bundler/install/gems/dependency_api_spec.rb

@@ -602,7 +602,7 @@ RSpec.describe "gemcutter's dependency API" do
     end
   end
 
-  context "when ruby is compiled without openssl", :ruby_repo do
+  context "when ruby is compiled without openssl" do
     before do
       # Install a monkeypatch that reproduces the effects of openssl being
       # missing when the fetcher runs, as happens in real life. The reason